//socketio 1.4.0
!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.io=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){

    /**
	 * Module dependencies.
	 */

    var url = _dereq_('./url');
    var parser = _dereq_('socket.io-parser');
    var Manager = _dereq_('./manager');
    var debug = _dereq_('debug')('socket.io-client');

    /**
	 * Module exports.
	 */

    module.exports = exports = lookup;

    /**
	 * Managers cache.
	 */

    var cache = exports.managers = {};

    /**
	 * Looks up an existing `Manager` for multiplexing. If the user summons:
	 * 
	 * `io('http://localhost/a');` `io('http://localhost/b');`
	 * 
	 * We reuse the existing instance based on same scheme/port/host, and we
	 * initialize sockets for each namespace.
	 * 
	 * @api public
	 */

    function lookup(uri, opts) {
        if (typeof uri == 'object') {
            opts = uri;
            uri = undefined;
        }

        opts = opts || {};

        var parsed = url(uri);
        var source = parsed.source;
        var id = parsed.id;
        var path = parsed.path;
        var sameNamespace = cache[id] && path in cache[id].nsps;
        var newConnection = opts.forceNew || opts['force new connection'] ||
            false === opts.multiplex || sameNamespace;

        var io;

        if (newConnection) {
            debug('ignoring socket cache for %s', source);
            io = Manager(source, opts);
        } else {
            if (!cache[id]) {
                debug('new io instance for %s', source);
                cache[id] = Manager(source, opts);
            }
            io = cache[id];
        }

        return io.socket(parsed.path);
    }

    /**
	 * Protocol version.
	 * 
	 * @api public
	 */

    exports.protocol = parser.protocol;

    /**
	 * `connect`.
	 * 
	 * @param {String}
	 *            uri
	 * @api public
	 */

    exports.connect = lookup;

    /**
	 * Expose constructors for standalone build.
	 * 
	 * @api public
	 */

    exports.Manager = _dereq_('./manager');
    exports.Socket = _dereq_('./socket');

},{"./manager":2,"./socket":4,"./url":5,"debug":14,"socket.io-parser":41}],2:[function(_dereq_,module,exports){

    /**
	 * Module dependencies.
	 */

    var eio = _dereq_('engine.io-client');
    var Socket = _dereq_('./socket');
    var Emitter = _dereq_('component-emitter');
    var parser = _dereq_('socket.io-parser');
    var on = _dereq_('./on');
    var bind = _dereq_('component-bind');
    var debug = _dereq_('debug')('socket.io-client:manager');
    var indexOf = _dereq_('indexof');
    var Backoff = _dereq_('backo2');

    /**
	 * IE6+ hasOwnProperty
	 */

    var has = Object.prototype.hasOwnProperty;

    /**
	 * Module exports
	 */

    module.exports = Manager;

    /**
	 * `Manager` constructor.
	 * 
	 * @param {String}
	 *            engine instance or engine uri/opts
	 * @param {Object}
	 *            options
	 * @api public
	 */

    function Manager(uri, opts){
        if (!(this instanceof Manager)) return new Manager(uri, opts);
        if (uri && ('object' == typeof uri)) {
            opts = uri;
            uri = undefined;
        }
        opts = opts || {};

        opts.path = opts.path || '/socket.io';
        this.nsps = {};
        this.subs = [];
        this.opts = opts;
        this.reconnection(opts.reconnection !== false);
        this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
        this.reconnectionDelay(opts.reconnectionDelay || 1000);
        this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
        this.randomizationFactor(opts.randomizationFactor || 0.5);
        this.backoff = new Backoff({
            min: this.reconnectionDelay(),
            max: this.reconnectionDelayMax(),
            jitter: this.randomizationFactor()
        });
        this.timeout(null == opts.timeout ? 20000 : opts.timeout);
        this.readyState = 'closed';
        this.uri = uri;
        this.connecting = [];
        this.lastPing = null;
        this.encoding = false;
        this.packetBuffer = [];
        this.encoder = new parser.Encoder();
        this.decoder = new parser.Decoder();
        this.autoConnect = opts.autoConnect !== false;
        if (this.autoConnect) this.open();
    }

    /**
	 * Propagate given event to sockets and emit on `this`
	 * 
	 * @api private
	 */

    Manager.prototype.emitAll = function() {
        this.emit.apply(this, arguments);
        for (var nsp in this.nsps) {
            if (has.call(this.nsps, nsp)) {
                this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);
            }
        }
    };

    /**
	 * Update `socket.id` of all sockets
	 * 
	 * @api private
	 */

    Manager.prototype.updateSocketIds = function(){
        for (var nsp in this.nsps) {
            if (has.call(this.nsps, nsp)) {
                this.nsps[nsp].id = this.engine.id;
            }
        }
    };

    /**
	 * Mix in `Emitter`.
	 */

    Emitter(Manager.prototype);

    /**
	 * Sets the `reconnection` config.
	 * 
	 * @param {Boolean}
	 *            true/false if it should automatically reconnect
	 * @return {Manager} self or value
	 * @api public
	 */

    Manager.prototype.reconnection = function(v){
        if (!arguments.length) return this._reconnection;
        this._reconnection = !!v;
        return this;
    };

    /**
	 * Sets the reconnection attempts config.
	 * 
	 * @param {Number}
	 *            max reconnection attempts before giving up
	 * @return {Manager} self or value
	 * @api public
	 */

    Manager.prototype.reconnectionAttempts = function(v){
        if (!arguments.length) return this._reconnectionAttempts;
        this._reconnectionAttempts = v;
        return this;
    };

    /**
	 * Sets the delay between reconnections.
	 * 
	 * @param {Number}
	 *            delay
	 * @return {Manager} self or value
	 * @api public
	 */

    Manager.prototype.reconnectionDelay = function(v){
        if (!arguments.length) return this._reconnectionDelay;
        this._reconnectionDelay = v;
        this.backoff && this.backoff.setMin(v);
        return this;
    };

    Manager.prototype.randomizationFactor = function(v){
        if (!arguments.length) return this._randomizationFactor;
        this._randomizationFactor = v;
        this.backoff && this.backoff.setJitter(v);
        return this;
    };

    /**
	 * Sets the maximum delay between reconnections.
	 * 
	 * @param {Number}
	 *            delay
	 * @return {Manager} self or value
	 * @api public
	 */

    Manager.prototype.reconnectionDelayMax = function(v){
        if (!arguments.length) return this._reconnectionDelayMax;
        this._reconnectionDelayMax = v;
        this.backoff && this.backoff.setMax(v);
        return this;
    };

    /**
	 * Sets the connection timeout. `false` to disable
	 * 
	 * @return {Manager} self or value
	 * @api public
	 */

    Manager.prototype.timeout = function(v){
        if (!arguments.length) return this._timeout;
        this._timeout = v;
        return this;
    };

    /**
	 * Starts trying to reconnect if reconnection is enabled and we have not
	 * started reconnecting yet
	 * 
	 * @api private
	 */

    Manager.prototype.maybeReconnectOnOpen = function() {
        // Only try to reconnect if it's the first time we're connecting
        if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {
            // keeps reconnection from firing twice for the same reconnection
			// loop
            this.reconnect();
        }
    };


    /**
	 * Sets the current transport `socket`.
	 * 
	 * @param {Function}
	 *            optional, callback
	 * @return {Manager} self
	 * @api public
	 */

    Manager.prototype.open =
        Manager.prototype.connect = function(fn){
            debug('readyState %s', this.readyState);
            if (~this.readyState.indexOf('open')) return this;

            debug('opening %s', this.uri);
            this.engine = eio(this.uri, this.opts);
            var socket = this.engine;
            var self = this;
            this.readyState = 'opening';
            this.skipReconnect = false;

            // emit `open`
            var openSub = on(socket, 'open', function() {
                self.onopen();
                fn && fn();
            });

            // emit `connect_error`
            var errorSub = on(socket, 'error', function(data){
                debug('connect_error');
                self.cleanup();
                self.readyState = 'closed';
                self.emitAll('connect_error', data);
                if (fn) {
                    var err = new Error('Connection error');
                    err.data = data;
                    fn(err);
                } else {
                    // Only do this if there is no fn to handle the error
                    self.maybeReconnectOnOpen();
                }
            });

            // emit `connect_timeout`
            if (false !== this._timeout) {
                var timeout = this._timeout;
                debug('connect attempt will timeout after %d', timeout);

                // set timer
                var timer = setTimeout(function(){
                    debug('connect attempt timed out after %d', timeout);
                    openSub.destroy();
                    socket.close();
                    socket.emit('error', 'timeout');
                    self.emitAll('connect_timeout', timeout);
                }, timeout);

                this.subs.push({
                    destroy: function(){
                        clearTimeout(timer);
                    }
                });
            }

            this.subs.push(openSub);
            this.subs.push(errorSub);

            return this;
        };

    /**
	 * Called upon transport open.
	 * 
	 * @api private
	 */

    Manager.prototype.onopen = function(){
        debug('open');

        // clear old subs
        this.cleanup();

        // mark as open
        this.readyState = 'open';
        this.emit('open');

        // add new subs
        var socket = this.engine;
        this.subs.push(on(socket, 'data', bind(this, 'ondata')));
        this.subs.push(on(socket, 'ping', bind(this, 'onping')));
        this.subs.push(on(socket, 'pong', bind(this, 'onpong')));
        this.subs.push(on(socket, 'error', bind(this, 'onerror')));
        this.subs.push(on(socket, 'close', bind(this, 'onclose')));
        this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));
    };

    /**
	 * Called upon a ping.
	 * 
	 * @api private
	 */

    Manager.prototype.onping = function(){
        this.lastPing = new Date;
        this.emitAll('ping');
    };

    /**
	 * Called upon a packet.
	 * 
	 * @api private
	 */

    Manager.prototype.onpong = function(){
        this.emitAll('pong', new Date - this.lastPing);
    };

    /**
	 * Called with data.
	 * 
	 * @api private
	 */

    Manager.prototype.ondata = function(data){
        this.decoder.add(data);
    };

    /**
	 * Called when parser fully decodes a packet.
	 * 
	 * @api private
	 */

    Manager.prototype.ondecoded = function(packet) {
        this.emit('packet', packet);
    };

    /**
	 * Called upon socket error.
	 * 
	 * @api private
	 */

    Manager.prototype.onerror = function(err){
        debug('error', err);
        this.emitAll('error', err);
    };

    /**
	 * Creates a new socket for the given `nsp`.
	 * 
	 * @return {Socket}
	 * @api public
	 */

    Manager.prototype.socket = function(nsp){
        var socket = this.nsps[nsp];
        if (!socket) {
            socket = new Socket(this, nsp);
            this.nsps[nsp] = socket;
            var self = this;
            socket.on('connecting', onConnecting);
            socket.on('connect', function(){
                socket.id = self.engine.id;
            });

            if (this.autoConnect) {
                // manually call here since connecting evnet is fired before
				// listening
                onConnecting();
            }
        }

        function onConnecting() {
            if (!~indexOf(self.connecting, socket)) {
                self.connecting.push(socket);
            }
        }

        return socket;
    };

    /**
	 * Called upon a socket close.
	 * 
	 * @param {Socket}
	 *            socket
	 */

    Manager.prototype.destroy = function(socket){
        var index = indexOf(this.connecting, socket);
        if (~index) this.connecting.splice(index, 1);
        if (this.connecting.length) return;

        this.close();
    };

    /**
	 * Writes a packet.
	 * 
	 * @param {Object}
	 *            packet
	 * @api private
	 */

    Manager.prototype.packet = function(packet){
        debug('writing packet %j', packet);
        var self = this;

        if (!self.encoding) {
            // encode, then write to engine with result
            self.encoding = true;
            this.encoder.encode(packet, function(encodedPackets) {
                for (var i = 0; i < encodedPackets.length; i++) {
                    self.engine.write(encodedPackets[i], packet.options);
                }
                self.encoding = false;
                self.processPacketQueue();
            });
        } else { // add packet to the queue
            self.packetBuffer.push(packet);
        }
    };

    /**
	 * If packet buffer is non-empty, begins encoding the next packet in line.
	 * 
	 * @api private
	 */

    Manager.prototype.processPacketQueue = function() {
        if (this.packetBuffer.length > 0 && !this.encoding) {
            var pack = this.packetBuffer.shift();
            this.packet(pack);
        }
    };

    /**
	 * Clean up transport subscriptions and packet buffer.
	 * 
	 * @api private
	 */

    Manager.prototype.cleanup = function(){
        debug('cleanup');

        var sub;
        while (sub = this.subs.shift()) sub.destroy();

        this.packetBuffer = [];
        this.encoding = false;
        this.lastPing = null;

        this.decoder.destroy();
    };

    /**
	 * Close the current socket.
	 * 
	 * @api private
	 */

    Manager.prototype.close =
        Manager.prototype.disconnect = function(){
            debug('disconnect');
            this.skipReconnect = true;
            this.reconnecting = false;
            if ('opening' == this.readyState) {
                // `onclose` will not fire because
                // an open event never happened
                this.cleanup();
            }
            this.backoff.reset();
            this.readyState = 'closed';
            if (this.engine) this.engine.close();
        };

    /**
	 * Called upon engine close.
	 * 
	 * @api private
	 */

    Manager.prototype.onclose = function(reason){
        debug('onclose');

        this.cleanup();
        this.backoff.reset();
        this.readyState = 'closed';
        this.emit('close', reason);

        if (this._reconnection && !this.skipReconnect) {
            this.reconnect();
        }
    };

    /**
	 * Attempt a reconnection.
	 * 
	 * @api private
	 */

    Manager.prototype.reconnect = function(){
        if (this.reconnecting || this.skipReconnect) return this;

        var self = this;

        if (this.backoff.attempts >= this._reconnectionAttempts) {
            debug('reconnect failed');
            this.backoff.reset();
            this.emitAll('reconnect_failed');
            this.reconnecting = false;
        } else {
            var delay = this.backoff.duration();
            debug('will wait %dms before reconnect attempt', delay);

            this.reconnecting = true;
            var timer = setTimeout(function(){
                if (self.skipReconnect) return;

                debug('attempting reconnect');
                self.emitAll('reconnect_attempt', self.backoff.attempts);
                self.emitAll('reconnecting', self.backoff.attempts);

                // check again for the case socket closed in above events
                if (self.skipReconnect) return;

                self.open(function(err){
                    if (err) {
                        debug('reconnect attempt error');
                        self.reconnecting = false;
                        self.reconnect();
                        self.emitAll('reconnect_error', err.data);
                    } else {
                        debug('reconnect success');
                        self.onreconnect();
                    }
                });
            }, delay);

            this.subs.push({
                destroy: function(){
                    clearTimeout(timer);
                }
            });
        }
    };

    /**
	 * Called upon successful reconnect.
	 * 
	 * @api private
	 */

    Manager.prototype.onreconnect = function(){
        var attempt = this.backoff.attempts;
        this.reconnecting = false;
        this.backoff.reset();
        this.updateSocketIds();
        this.emitAll('reconnect', attempt);
    };

},{"./on":3,"./socket":4,"backo2":8,"component-bind":11,"component-emitter":12,"debug":14,"engine.io-client":16,"indexof":33,"socket.io-parser":41}],3:[function(_dereq_,module,exports){

    /**
	 * Module exports.
	 */

    module.exports = on;

    /**
	 * Helper for subscriptions.
	 * 
	 * @param {Object|EventEmitter}
	 *            obj with `Emitter` mixin or `EventEmitter`
	 * @param {String}
	 *            event name
	 * @param {Function}
	 *            callback
	 * @api public
	 */

    function on(obj, ev, fn) {
        obj.on(ev, fn);
        return {
            destroy: function(){
                obj.removeListener(ev, fn);
            }
        };
    }

},{}],4:[function(_dereq_,module,exports){

    /**
	 * Module dependencies.
	 */

    var parser = _dereq_('socket.io-parser');
    var Emitter = _dereq_('component-emitter');
    var toArray = _dereq_('to-array');
    var on = _dereq_('./on');
    var bind = _dereq_('component-bind');
    var debug = _dereq_('debug')('socket.io-client:socket');
    var hasBin = _dereq_('has-binary');

    /**
	 * Module exports.
	 */

    module.exports = exports = Socket;

    /**
	 * Internal events (blacklisted). These events can't be emitted by the user.
	 * 
	 * @api private
	 */

    var events = {
        connect: 1,
        connect_error: 1,
        connect_timeout: 1,
        connecting: 1,
        disconnect: 1,
        error: 1,
        reconnect: 1,
        reconnect_attempt: 1,
        reconnect_failed: 1,
        reconnect_error: 1,
        reconnecting: 1,
        ping: 1,
        pong: 1
    };

    /**
	 * Shortcut to `Emitter#emit`.
	 */

    var emit = Emitter.prototype.emit;

    /**
	 * `Socket` constructor.
	 * 
	 * @api public
	 */

    function Socket(io, nsp){
        this.io = io;
        this.nsp = nsp;
        this.json = this; // compat
        this.ids = 0;
        this.acks = {};
        this.receiveBuffer = [];
        this.sendBuffer = [];
        this.connected = false;
        this.disconnected = true;
        if (this.io.autoConnect) this.open();
    }

    /**
	 * Mix in `Emitter`.
	 */

    Emitter(Socket.prototype);

    /**
	 * Subscribe to open, close and packet events
	 * 
	 * @api private
	 */

    Socket.prototype.subEvents = function() {
        if (this.subs) return;

        var io = this.io;
        this.subs = [
            on(io, 'open', bind(this, 'onopen')),
            on(io, 'packet', bind(this, 'onpacket')),
            on(io, 'close', bind(this, 'onclose'))
        ];
    };

    /**
	 * "Opens" the socket.
	 * 
	 * @api public
	 */

    Socket.prototype.open =
        Socket.prototype.connect = function(){
            if (this.connected) return this;

            this.subEvents();
            this.io.open(); // ensure open
            if ('open' == this.io.readyState) this.onopen();
            this.emit('connecting');
            return this;
        };

    /**
	 * Sends a `message` event.
	 * 
	 * @return {Socket} self
	 * @api public
	 */

    Socket.prototype.send = function(){
        var args = toArray(arguments);
        args.unshift('message');
        this.emit.apply(this, args);
        return this;
    };

    /**
	 * Override `emit`. If the event is in `events`, it's emitted normally.
	 * 
	 * @param {String}
	 *            event name
	 * @return {Socket} self
	 * @api public
	 */

    Socket.prototype.emit = function(ev){
        if (events.hasOwnProperty(ev)) {
            emit.apply(this, arguments);
            return this;
        }

        var args = toArray(arguments);
        var parserType = parser.EVENT; // default
        if (hasBin(args)) { parserType = parser.BINARY_EVENT; } // binary
        var packet = { type: parserType, data: args };

        packet.options = {};
        packet.options.compress = !this.flags || false !== this.flags.compress;

        // event ack callback
        if ('function' == typeof args[args.length - 1]) {
            debug('emitting packet with ack id %d', this.ids);
            this.acks[this.ids] = args.pop();
            packet.id = this.ids++;
        }

        if (this.connected) {
            this.packet(packet);
        } else {
            this.sendBuffer.push(packet);
        }

        delete this.flags;

        return this;
    };

    /**
	 * Sends a packet.
	 * 
	 * @param {Object}
	 *            packet
	 * @api private
	 */

    Socket.prototype.packet = function(packet){
        packet.nsp = this.nsp;
        this.io.packet(packet);
    };

    /**
	 * Called upon engine `open`.
	 * 
	 * @api private
	 */

    Socket.prototype.onopen = function(){
        debug('transport is open - connecting');

        // write connect packet if necessary
        if ('/' != this.nsp) {
            this.packet({ type: parser.CONNECT });
        }
    };

    /**
	 * Called upon engine `close`.
	 * 
	 * @param {String}
	 *            reason
	 * @api private
	 */

    Socket.prototype.onclose = function(reason){
        debug('close (%s)', reason);
        this.connected = false;
        this.disconnected = true;
        delete this.id;
        this.emit('disconnect', reason);
    };

    /**
	 * Called with socket packet.
	 * 
	 * @param {Object}
	 *            packet
	 * @api private
	 */

    Socket.prototype.onpacket = function(packet){
        if (packet.nsp != this.nsp) return;

        switch (packet.type) {
            case parser.CONNECT:
                this.onconnect();
                break;

            case parser.EVENT:
                this.onevent(packet);
                break;

            case parser.BINARY_EVENT:
                this.onevent(packet);
                break;

            case parser.ACK:
                this.onack(packet);
                break;

            case parser.BINARY_ACK:
                this.onack(packet);
                break;

            case parser.DISCONNECT:
                this.ondisconnect();
                break;

            case parser.ERROR:
                this.emit('error', packet.data);
                break;
        }
    };

    /**
	 * Called upon a server event.
	 * 
	 * @param {Object}
	 *            packet
	 * @api private
	 */

    Socket.prototype.onevent = function(packet){
        var args = packet.data || [];
        debug('emitting event %j', args);

        if (null != packet.id) {
            debug('attaching ack callback to event');
            args.push(this.ack(packet.id));
        }

        if (this.connected) {
            emit.apply(this, args);
        } else {
            this.receiveBuffer.push(args);
        }
    };

    /**
	 * Produces an ack callback to emit with an event.
	 * 
	 * @api private
	 */

    Socket.prototype.ack = function(id){
        var self = this;
        var sent = false;
        return function(){
            // prevent double callbacks
            if (sent) return;
            sent = true;
            var args = toArray(arguments);
            debug('sending ack %j', args);

            var type = hasBin(args) ? parser.BINARY_ACK : parser.ACK;
            self.packet({
                type: type,
                id: id,
                data: args
            });
        };
    };

    /**
	 * Called upon a server acknowlegement.
	 * 
	 * @param {Object}
	 *            packet
	 * @api private
	 */

    Socket.prototype.onack = function(packet){
        var ack = this.acks[packet.id];
        if ('function' == typeof ack) {
            debug('calling ack %s with %j', packet.id, packet.data);
            ack.apply(this, packet.data);
            delete this.acks[packet.id];
        } else {
            debug('bad ack %s', packet.id);
        }
    };

    /**
	 * Called upon server connect.
	 * 
	 * @api private
	 */

    Socket.prototype.onconnect = function(){
        this.connected = true;
        this.disconnected = false;
        this.emit('connect');
        this.emitBuffered();
    };

    /**
	 * Emit buffered events (received and emitted).
	 * 
	 * @api private
	 */

    Socket.prototype.emitBuffered = function(){
        var i;
        for (i = 0; i < this.receiveBuffer.length; i++) {
            emit.apply(this, this.receiveBuffer[i]);
        }
        this.receiveBuffer = [];

        for (i = 0; i < this.sendBuffer.length; i++) {
            this.packet(this.sendBuffer[i]);
        }
        this.sendBuffer = [];
    };

    /**
	 * Called upon server disconnect.
	 * 
	 * @api private
	 */

    Socket.prototype.ondisconnect = function(){
        debug('server disconnect (%s)', this.nsp);
        this.destroy();
        this.onclose('io server disconnect');
    };

    /**
	 * Called upon forced client/server side disconnections, this method ensures
	 * the manager stops tracking us and that reconnections don't get triggered
	 * for this.
	 * 
	 * @api private.
	 */

    Socket.prototype.destroy = function(){
        if (this.subs) {
            // clean subscriptions to avoid reconnections
            for (var i = 0; i < this.subs.length; i++) {
                this.subs[i].destroy();
            }
            this.subs = null;
        }

        this.io.destroy(this);
    };

    /**
	 * Disconnects the socket manually.
	 * 
	 * @return {Socket} self
	 * @api public
	 */

    Socket.prototype.close =
        Socket.prototype.disconnect = function(){
            if (this.connected) {
                debug('performing disconnect (%s)', this.nsp);
                this.packet({ type: parser.DISCONNECT });
            }

            // remove socket from pool
            this.destroy();

            if (this.connected) {
                // fire events
                this.onclose('io client disconnect');
            }
            return this;
        };

    /**
	 * Sets the compress flag.
	 * 
	 * @param {Boolean}
	 *            if `true`, compresses the sending data
	 * @return {Socket} self
	 * @api public
	 */

    Socket.prototype.compress = function(compress){
        this.flags = this.flags || {};
        this.flags.compress = compress;
        return this;
    };

},{"./on":3,"component-bind":11,"component-emitter":12,"debug":14,"has-binary":31,"socket.io-parser":41,"to-array":44}],5:[function(_dereq_,module,exports){
    (function (global){

        /**
		 * Module dependencies.
		 */

        var parseuri = _dereq_('parseuri');
        var debug = _dereq_('debug')('socket.io-client:url');

        /**
		 * Module exports.
		 */

        module.exports = url;

        /**
		 * URL parser.
		 * 
		 * @param {String}
		 *            url
		 * @param {Object}
		 *            An object meant to mimic window.location. Defaults to
		 *            window.location.
		 * @api public
		 */

        function url(uri, loc){
            var obj = uri;

            // default to window.location
            var loc = loc || global.location;
            if (null == uri) uri = loc.protocol + '//' + loc.host;

            // relative path support
            if ('string' == typeof uri) {
                if ('/' == uri.charAt(0)) {
                    if ('/' == uri.charAt(1)) {
                        uri = loc.protocol + uri;
                    } else {
                        uri = loc.host + uri;
                    }
                }

                if (!/^(https?|wss?):\/\//.test(uri)) {
                    debug('protocol-less url %s', uri);
                    if ('undefined' != typeof loc) {
                        uri = loc.protocol + '//' + uri;
                    } else {
                        uri = 'https://' + uri;
                    }
                }

                // parse
                debug('parse %s', uri);
                obj = parseuri(uri);
            }

            // make sure we treat `localhost:80` and `localhost` equally
            if (!obj.port) {
                if (/^(http|ws)$/.test(obj.protocol)) {
                    obj.port = '80';
                }
                else if (/^(http|ws)s$/.test(obj.protocol)) {
                    obj.port = '443';
                }
            }

            obj.path = obj.path || '/';

            var ipv6 = obj.host.indexOf(':') !== -1;
            var host = ipv6 ? '[' + obj.host + ']' : obj.host;

            // define unique id
            obj.id = obj.protocol + '://' + host + ':' + obj.port;
            // define href
            obj.href = obj.protocol + '://' + host + (loc && loc.port == obj.port ? '' : (':' + obj.port));

            return obj;
        }

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"debug":14,"parseuri":39}],6:[function(_dereq_,module,exports){
    module.exports = after

    function after(count, callback, err_cb) {
        var bail = false
        err_cb = err_cb || noop
        proxy.count = count

        return (count === 0) ? callback() : proxy

        function proxy(err, result) {
            if (proxy.count <= 0) {
                throw new Error('after called too many times')
            }
            --proxy.count

            // after first error, rest are passed to err_cb
            if (err) {
                bail = true
                callback(err)
                // future error callbacks will go to error handler
                callback = err_cb
            } else if (proxy.count === 0 && !bail) {
                callback(null, result)
            }
        }
    }

    function noop() {}

},{}],7:[function(_dereq_,module,exports){
    /**
	 * An abstraction for slicing an arraybuffer even when
	 * ArrayBuffer.prototype.slice is not supported
	 * 
	 * @api public
	 */

    module.exports = function(arraybuffer, start, end) {
        var bytes = arraybuffer.byteLength;
        start = start || 0;
        end = end || bytes;

        if (arraybuffer.slice) { return arraybuffer.slice(start, end); }

        if (start < 0) { start += bytes; }
        if (end < 0) { end += bytes; }
        if (end > bytes) { end = bytes; }

        if (start >= bytes || start >= end || bytes === 0) {
            return new ArrayBuffer(0);
        }

        var abv = new Uint8Array(arraybuffer);
        var result = new Uint8Array(end - start);
        for (var i = start, ii = 0; i < end; i++, ii++) {
            result[ii] = abv[i];
        }
        return result.buffer;
    };

},{}],8:[function(_dereq_,module,exports){

    /**
	 * Expose `Backoff`.
	 */

    module.exports = Backoff;

    /**
	 * Initialize backoff timer with `opts`. - `min` initial timeout in
	 * milliseconds [100] - `max` max timeout [10000] - `jitter` [0] - `factor`
	 * [2]
	 * 
	 * @param {Object}
	 *            opts
	 * @api public
	 */

    function Backoff(opts) {
        opts = opts || {};
        this.ms = opts.min || 100;
        this.max = opts.max || 10000;
        this.factor = opts.factor || 2;
        this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
        this.attempts = 0;
    }

    /**
	 * Return the backoff duration.
	 * 
	 * @return {Number}
	 * @api public
	 */

    Backoff.prototype.duration = function(){
        var ms = this.ms * Math.pow(this.factor, this.attempts++);
        if (this.jitter) {
            var rand =  Math.random();
            var deviation = Math.floor(rand * this.jitter * ms);
            ms = (Math.floor(rand * 10) & 1) == 0  ? ms - deviation : ms + deviation;
        }
        return Math.min(ms, this.max) | 0;
    };

    /**
	 * Reset the number of attempts.
	 * 
	 * @api public
	 */

    Backoff.prototype.reset = function(){
        this.attempts = 0;
    };

    /**
	 * Set the minimum duration
	 * 
	 * @api public
	 */

    Backoff.prototype.setMin = function(min){
        this.ms = min;
    };

    /**
	 * Set the maximum duration
	 * 
	 * @api public
	 */

    Backoff.prototype.setMax = function(max){
        this.max = max;
    };

    /**
	 * Set the jitter
	 * 
	 * @api public
	 */

    Backoff.prototype.setJitter = function(jitter){
        this.jitter = jitter;
    };


},{}],9:[function(_dereq_,module,exports){
    /*
	 * base64-arraybuffer https://github.com/niklasvh/base64-arraybuffer
	 * 
	 * Copyright (c) 2012 Niklas von Hertzen Licensed under the MIT license.
	 */
    (function(chars){
        "use strict";

        exports.encode = function(arraybuffer) {
            var bytes = new Uint8Array(arraybuffer),
                i, len = bytes.buffer.byteLength, base64 = "";

            for (i = 0; i < len; i+=3) {
                base64 += chars[bytes.buffer[i] >> 2];
                base64 += chars[((bytes.buffer[i] & 3) << 4) | (bytes.buffer[i + 1] >> 4)];
                base64 += chars[((bytes.buffer[i + 1] & 15) << 2) | (bytes.buffer[i + 2] >> 6)];
                base64 += chars[bytes.buffer[i + 2] & 63];
            }

            if ((len % 3) === 2) {
                base64 = base64.substring(0, base64.length - 1) + "=";
            } else if (len % 3 === 1) {
                base64 = base64.substring(0, base64.length - 2) + "==";
            }

            return base64;
        };

        exports.decode =  function(base64) {
            var bufferLength = base64.length * 0.75,
                len = base64.length, i, p = 0,
                encoded1, encoded2, encoded3, encoded4;

            if (base64[base64.length - 1] === "=") {
                bufferLength--;
                if (base64[base64.length - 2] === "=") {
                    bufferLength--;
                }
            }

            var arraybuffer = new ArrayBuffer(bufferLength),
                bytes = new Uint8Array(arraybuffer);

            for (i = 0; i < len; i+=4) {
                encoded1 = chars.indexOf(base64[i]);
                encoded2 = chars.indexOf(base64[i+1]);
                encoded3 = chars.indexOf(base64[i+2]);
                encoded4 = chars.indexOf(base64[i+3]);

                bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
                bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
                bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
            }

            return arraybuffer;
        };
    })("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
},{}],10:[function(_dereq_,module,exports){
    (function (global){
        /**
		 * Create a blob builder even when vendor prefixes exist
		 */

        var BlobBuilder = global.BlobBuilder
            || global.WebKitBlobBuilder
            || global.MSBlobBuilder
            || global.MozBlobBuilder;

        /**
		 * Check if Blob constructor is supported
		 */

        var blobSupported = (function() {
            try {
                var a = new Blob(['hi']);
                return a.size === 2;
            } catch(e) {
                return false;
            }
        })();

        /**
		 * Check if Blob constructor supports ArrayBufferViews Fails in Safari
		 * 6, so we need to map to ArrayBuffers there.
		 */

        var blobSupportsArrayBufferView = blobSupported && (function() {
                try {
                    var b = new Blob([new Uint8Array([1,2])]);
                    return b.size === 2;
                } catch(e) {
                    return false;
                }
            })();

        /**
		 * Check if BlobBuilder is supported
		 */

        var blobBuilderSupported = BlobBuilder
            && BlobBuilder.prototype.append
            && BlobBuilder.prototype.getBlob;

        /**
		 * Helper function that maps ArrayBufferViews to ArrayBuffers Used by
		 * BlobBuilder constructor and old browsers that didn't support it in
		 * the Blob constructor.
		 */

        function mapArrayBufferViews(ary) {
            for (var i = 0; i < ary.length; i++) {
                var chunk = ary[i];
                if (chunk.buffer instanceof ArrayBuffer) {
                    var buf = chunk.buffer;

                    // if this is a subarray, make a copy so we only
                    // include the subarray region from the underlying buffer
                    if (chunk.byteLength !== buf.byteLength) {
                        var copy = new Uint8Array(chunk.byteLength);
                        copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
                        buf = copy.buffer;
                    }

                    ary[i] = buf;
                }
            }
        }

        function BlobBuilderConstructor(ary, options) {
            options = options || {};

            var bb = new BlobBuilder();
            mapArrayBufferViews(ary);

            for (var i = 0; i < ary.length; i++) {
                bb.append(ary[i]);
            }

            return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
        };

        function BlobConstructor(ary, options) {
            mapArrayBufferViews(ary);
            return new Blob(ary, options || {});
        };

        module.exports = (function() {
            if (blobSupported) {
                return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;
            } else if (blobBuilderSupported) {
                return BlobBuilderConstructor;
            } else {
                return undefined;
            }
        })();

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],11:[function(_dereq_,module,exports){
    /**
	 * Slice reference.
	 */

    var slice = [].slice;

    /**
	 * Bind `obj` to `fn`.
	 * 
	 * @param {Object}
	 *            obj
	 * @param {Function|String}
	 *            fn or string
	 * @return {Function}
	 * @api public
	 */

    module.exports = function(obj, fn){
        if ('string' == typeof fn) fn = obj[fn];
        if ('function' != typeof fn) throw new Error('bind() requires a function');
        var args = slice.call(arguments, 2);
        return function(){
            return fn.apply(obj, args.concat(slice.call(arguments)));
        }
    };

},{}],12:[function(_dereq_,module,exports){

    /**
	 * Expose `Emitter`.
	 */

    module.exports = Emitter;

    /**
	 * Initialize a new `Emitter`.
	 * 
	 * @api public
	 */

    function Emitter(obj) {
        if (obj) return mixin(obj);
    };

    /**
	 * Mixin the emitter properties.
	 * 
	 * @param {Object}
	 *            obj
	 * @return {Object}
	 * @api private
	 */

    function mixin(obj) {
        for (var key in Emitter.prototype) {
            obj[key] = Emitter.prototype[key];
        }
        return obj;
    }

    /**
	 * Listen on the given `event` with `fn`.
	 * 
	 * @param {String}
	 *            event
	 * @param {Function}
	 *            fn
	 * @return {Emitter}
	 * @api public
	 */

    Emitter.prototype.on =
        Emitter.prototype.addEventListener = function(event, fn){
            this._callbacks = this._callbacks || {};
            (this._callbacks['$' + event] = this._callbacks['$' + event] || [])
                .push(fn);
            return this;
        };

    /**
	 * Adds an `event` listener that will be invoked a single time then
	 * automatically removed.
	 * 
	 * @param {String}
	 *            event
	 * @param {Function}
	 *            fn
	 * @return {Emitter}
	 * @api public
	 */

    Emitter.prototype.once = function(event, fn){
        function on() {
            this.off(event, on);
            fn.apply(this, arguments);
        }

        on.fn = fn;
        this.on(event, on);
        return this;
    };

    /**
	 * Remove the given callback for `event` or all registered callbacks.
	 * 
	 * @param {String}
	 *            event
	 * @param {Function}
	 *            fn
	 * @return {Emitter}
	 * @api public
	 */

    Emitter.prototype.off =
        Emitter.prototype.removeListener =
            Emitter.prototype.removeAllListeners =
                Emitter.prototype.removeEventListener = function(event, fn){
                    this._callbacks = this._callbacks || {};

                    // all
                    if (0 == arguments.length) {
                        this._callbacks = {};
                        return this;
                    }

                    // specific event
                    var callbacks = this._callbacks['$' + event];
                    if (!callbacks) return this;

                    // remove all handlers
                    if (1 == arguments.length) {
                        delete this._callbacks['$' + event];
                        return this;
                    }

                    // remove specific handler
                    var cb;
                    for (var i = 0; i < callbacks.length; i++) {
                        cb = callbacks[i];
                        if (cb === fn || cb.fn === fn) {
                            callbacks.splice(i, 1);
                            break;
                        }
                    }
                    return this;
                };

    /**
	 * Emit `event` with the given args.
	 * 
	 * @param {String}
	 *            event
	 * @param {Mixed}
	 *            ...
	 * @return {Emitter}
	 */

    Emitter.prototype.emit = function(event){
        this._callbacks = this._callbacks || {};
        var args = [].slice.call(arguments, 1)
            , callbacks = this._callbacks['$' + event];

        if (callbacks) {
            callbacks = callbacks.slice(0);
            for (var i = 0, len = callbacks.length; i < len; ++i) {
                callbacks[i].apply(this, args);
            }
        }

        return this;
    };

    /**
	 * Return array of callbacks for `event`.
	 * 
	 * @param {String}
	 *            event
	 * @return {Array}
	 * @api public
	 */

    Emitter.prototype.listeners = function(event){
        this._callbacks = this._callbacks || {};
        return this._callbacks['$' + event] || [];
    };

    /**
	 * Check if this emitter has `event` handlers.
	 * 
	 * @param {String}
	 *            event
	 * @return {Boolean}
	 * @api public
	 */

    Emitter.prototype.hasListeners = function(event){
        return !! this.listeners(event).length;
    };

},{}],13:[function(_dereq_,module,exports){

    module.exports = function(a, b){
        var fn = function(){};
        fn.prototype = b.prototype;
        a.prototype = new fn;
        a.prototype.constructor = a;
    };
},{}],14:[function(_dereq_,module,exports){

    /**
	 * This is the web browser implementation of `debug()`.
	 * 
	 * Expose `debug()` as the module.
	 */

    exports = module.exports = _dereq_('./debug');
    exports.log = log;
    exports.formatArgs = formatArgs;
    exports.save = save;
    exports.load = load;
    exports.useColors = useColors;
    exports.storage = 'undefined' != typeof chrome
    && 'undefined' != typeof chrome.storage
        ? chrome.storage.local
        : localstorage();

    /**
	 * Colors.
	 */

    exports.colors = [
        'lightseagreen',
        'forestgreen',
        'goldenrod',
        'dodgerblue',
        'darkorchid',
        'crimson'
    ];

    /**
	 * Currently only WebKit-based Web Inspectors, Firefox >= v31, and the
	 * Firebug extension (any Firefox version) are known to support "%c" CSS
	 * customizations.
	 * 
	 * TODO: add a `localStorage` variable to explicitly enable/disable colors
	 */

    function useColors() {
        // is webkit? http://stackoverflow.com/a/16459606/376773
        return ('WebkitAppearance' in document.documentElement.style) ||
                // is firebug? http://stackoverflow.com/a/398120/376773
            (window.console && (console.firebug || (console.exception && console.table))) ||
                // is firefox >= v31?
                // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
            (navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
    }

    /**
	 * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
	 */

    exports.formatters.j = function(v) {
        return JSON.stringify(v);
    };


    /**
	 * Colorize log arguments if enabled.
	 * 
	 * @api public
	 */

    function formatArgs() {
        var args = arguments;
        var useColors = this.useColors;

        args[0] = (useColors ? '%c' : '')
            + this.namespace
            + (useColors ? ' %c' : ' ')
            + args[0]
            + (useColors ? '%c ' : ' ')
            + '+' + exports.humanize(this.diff);

        if (!useColors) return args;

        var c = 'color: ' + this.color;
        args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));

        // the final "%c" is somewhat tricky, because there could be other
        // arguments passed either before or after the %c, so we need to
        // figure out the correct index to insert the CSS into
        var index = 0;
        var lastC = 0;
        args[0].replace(/%[a-z%]/g, function(match) {
            if ('%%' === match) return;
            index++;
            if ('%c' === match) {
                // we only are interested in the *last* %c
                // (the user may have provided their own)
                lastC = index;
            }
        });

        args.splice(lastC, 0, c);
        return args;
    }

    /**
	 * Invokes `console.log()` when available. No-op when `console.log` is not a
	 * "function".
	 * 
	 * @api public
	 */

    function log() {
        // this hackery is required for IE8/9, where
        // the `console.log` function doesn't have 'apply'
        return 'object' === typeof console
            && console.log
            && Function.prototype.apply.call(console.log, console, arguments);
    }

    /**
	 * Save `namespaces`.
	 * 
	 * @param {String}
	 *            namespaces
	 * @api private
	 */

    function save(namespaces) {
        try {
            if (null == namespaces) {
                exports.storage.removeItem('debug');
            } else {
                exports.storage.debug = namespaces;
            }
        } catch(e) {}
    }

    /**
	 * Load `namespaces`.
	 * 
	 * @return {String} returns the previously persisted debug modes
	 * @api private
	 */

    function load() {
        var r;
        try {
            r = exports.storage.debug;
        } catch(e) {}
        return r;
    }

    /**
	 * Enable namespaces listed in `localStorage.debug` initially.
	 */

    exports.enable(load());

    /**
	 * Localstorage attempts to return the localstorage.
	 * 
	 * This is necessary because safari throws when a user disables
	 * cookies/localstorage and you attempt to access it.
	 * 
	 * @return {LocalStorage}
	 * @api private
	 */

    function localstorage(){
        try {
            return window.localStorage;
        } catch (e) {}
    }

},{"./debug":15}],15:[function(_dereq_,module,exports){

    /**
	 * This is the common logic for both the Node.js and web browser
	 * implementations of `debug()`.
	 * 
	 * Expose `debug()` as the module.
	 */

    exports = module.exports = debug;
    exports.coerce = coerce;
    exports.disable = disable;
    exports.enable = enable;
    exports.enabled = enabled;
    exports.humanize = _dereq_('ms');

    /**
	 * The currently active debug mode names, and names to skip.
	 */

    exports.names = [];
    exports.skips = [];

    /**
	 * Map of special "%n" handling functions, for the debug "format" argument.
	 * 
	 * Valid key names are a single, lowercased letter, i.e. "n".
	 */

    exports.formatters = {};

    /**
	 * Previously assigned color.
	 */

    var prevColor = 0;

    /**
	 * Previous log timestamp.
	 */

    var prevTime;

    /**
	 * Select a color.
	 * 
	 * @return {Number}
	 * @api private
	 */

    function selectColor() {
        return exports.colors[prevColor++ % exports.colors.length];
    }

    /**
	 * Create a debugger with the given `namespace`.
	 * 
	 * @param {String}
	 *            namespace
	 * @return {Function}
	 * @api public
	 */

    function debug(namespace) {

        // define the `disabled` version
        function disabled() {
        }
        disabled.enabled = false;

        // define the `enabled` version
        function enabled() {

            var self = enabled;

            // set `diff` timestamp
            var curr = +new Date();
            var ms = curr - (prevTime || curr);
            self.diff = ms;
            self.prev = prevTime;
            self.curr = curr;
            prevTime = curr;

            // add the `color` if not set
            if (null == self.useColors) self.useColors = exports.useColors();
            if (null == self.color && self.useColors) self.color = selectColor();

            var args = Array.prototype.slice.call(arguments);

            args[0] = exports.coerce(args[0]);

            if ('string' !== typeof args[0]) {
                // anything else let's inspect with %o
                args = ['%o'].concat(args);
            }

            // apply any `formatters` transformations
            var index = 0;
            args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
                // if we encounter an escaped % then don't increase the array
				// index
                if (match === '%%') return match;
                index++;
                var formatter = exports.formatters[format];
                if ('function' === typeof formatter) {
                    var val = args[index];
                    match = formatter.call(self, val);

                    // now we need to remove `args[index]` since it's inlined in
					// the `format`
                    args.splice(index, 1);
                    index--;
                }
                return match;
            });

            if ('function' === typeof exports.formatArgs) {
                args = exports.formatArgs.apply(self, args);
            }
            var logFn = enabled.log || exports.log || console.log.bind(console);
            logFn.apply(self, args);
        }
        enabled.enabled = true;

        var fn = exports.enabled(namespace) ? enabled : disabled;

        fn.namespace = namespace;

        return fn;
    }

    /**
	 * Enables a debug mode by namespaces. This can include modes separated by a
	 * colon and wildcards.
	 * 
	 * @param {String}
	 *            namespaces
	 * @api public
	 */

    function enable(namespaces) {
        exports.save(namespaces);

        var split = (namespaces || '').split(/[\s,]+/);
        var len = split.length;

        for (var i = 0; i < len; i++) {
            if (!split[i]) continue; // ignore empty strings
            namespaces = split[i].replace(/\*/g, '.*?');
            if (namespaces[0] === '-') {
                exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
            } else {
                exports.names.push(new RegExp('^' + namespaces + '$'));
            }
        }
    }

    /**
	 * Disable debug output.
	 * 
	 * @api public
	 */

    function disable() {
        exports.enable('');
    }

    /**
	 * Returns true if the given mode name is enabled, false otherwise.
	 * 
	 * @param {String}
	 *            name
	 * @return {Boolean}
	 * @api public
	 */

    function enabled(name) {
        var i, len;
        for (i = 0, len = exports.skips.length; i < len; i++) {
            if (exports.skips[i].test(name)) {
                return false;
            }
        }
        for (i = 0, len = exports.names.length; i < len; i++) {
            if (exports.names[i].test(name)) {
                return true;
            }
        }
        return false;
    }

    /**
	 * Coerce `val`.
	 * 
	 * @param {Mixed}
	 *            val
	 * @return {Mixed}
	 * @api private
	 */

    function coerce(val) {
        if (val instanceof Error) return val.stack || val.message;
        return val;
    }

},{"ms":36}],16:[function(_dereq_,module,exports){

    module.exports =  _dereq_('./lib/');

},{"./lib/":17}],17:[function(_dereq_,module,exports){

    module.exports = _dereq_('./socket');

    /**
	 * Exports parser
	 * 
	 * @api public
	 * 
	 */
    module.exports.parser = _dereq_('engine.io-parser');

},{"./socket":18,"engine.io-parser":27}],18:[function(_dereq_,module,exports){
    (function (global){
        /**
		 * Module dependencies.
		 */

        var transports = _dereq_('./transports');
        var Emitter = _dereq_('component-emitter');
        var debug = _dereq_('debug')('engine.io-client:socket');
        var index = _dereq_('indexof');
        var parser = _dereq_('engine.io-parser');
        var parseuri = _dereq_('parseuri');
        var parsejson = _dereq_('parsejson');
        var parseqs = _dereq_('parseqs');

        /**
		 * Module exports.
		 */

        module.exports = Socket;

        /**
		 * Noop function.
		 * 
		 * @api private
		 */

        function noop(){}

        /**
		 * Socket constructor.
		 * 
		 * @param {String|Object}
		 *            uri or options
		 * @param {Object}
		 *            options
		 * @api public
		 */

        function Socket(uri, opts){
            if (!(this instanceof Socket)) return new Socket(uri, opts);

            opts = opts || {};

            if (uri && 'object' == typeof uri) {
                opts = uri;
                uri = null;
            }

            if (uri) {
                uri = parseuri(uri);
                opts.hostname = uri.host;
                opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
                opts.port = uri.port;
                if (uri.query) opts.query = uri.query;
            } else if (opts.host) {
                opts.hostname = parseuri(opts.host).host;
            }

            this.secure = null != opts.secure ? opts.secure :
                (global.location && 'https:' == location.protocol);

            if (opts.hostname && !opts.port) {
                // if no port is specified manually, use the protocol default
                opts.port = this.secure ? '443' : '80';
            }

            this.agent = opts.agent || false;
            this.hostname = opts.hostname ||
                (global.location ? location.hostname : 'localhost');
            this.port = opts.port || (global.location && location.port ?
                    location.port :
                    (this.secure ? 443 : 80));
            this.query = opts.query || {};
            if ('string' == typeof this.query) this.query = parseqs.decode(this.query);
            this.upgrade = false !== opts.upgrade;
            this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
            this.forceJSONP = !!opts.forceJSONP;
            this.jsonp = false !== opts.jsonp;
            this.forceBase64 = !!opts.forceBase64;
            this.enablesXDR = !!opts.enablesXDR;
            this.timestampParam = opts.timestampParam || 't';
            this.timestampRequests = opts.timestampRequests;
            this.transports = opts.transports || ['polling', 'websocket'];
            this.readyState = '';
            this.writeBuffer = [];
            this.policyPort = opts.policyPort || 843;
            this.rememberUpgrade = opts.rememberUpgrade || false;
            this.binaryType = null;
            this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
            this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;

            if (true === this.perMessageDeflate) this.perMessageDeflate = {};
            if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {
                this.perMessageDeflate.threshold = 1024;
            }

            // SSL options for Node.js client
            this.pfx = opts.pfx || null;
            this.key = opts.key || null;
            this.passphrase = opts.passphrase || null;
            this.cert = opts.cert || null;
            this.ca = opts.ca || null;
            this.ciphers = opts.ciphers || null;
            this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? null : opts.rejectUnauthorized;

            // other options for Node.js client
            var freeGlobal = typeof global == 'object' && global;
            if (freeGlobal.global === freeGlobal) {
                if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {
                    this.extraHeaders = opts.extraHeaders;
                }
            }

            this.open();
        }

        Socket.priorWebsocketSuccess = false;

        /**
		 * Mix in `Emitter`.
		 */

        Emitter(Socket.prototype);

        /**
		 * Protocol version.
		 * 
		 * @api public
		 */

        Socket.protocol = parser.protocol; // this is an int

        /**
		 * Expose deps for legacy compatibility and standalone browser access.
		 */

        Socket.Socket = Socket;
        Socket.Transport = _dereq_('./transport');
        Socket.transports = _dereq_('./transports');
        Socket.parser = _dereq_('engine.io-parser');

        /**
		 * Creates transport of the given type.
		 * 
		 * @param {String}
		 *            transport name
		 * @return {Transport}
		 * @api private
		 */

        Socket.prototype.createTransport = function (name) {
            debug('creating transport "%s"', name);
            var query = clone(this.query);

            // append engine.io protocol identifier
            query.EIO = parser.protocol;

            // transport name
            query.transport = name;

            // session id if we already have one
            if (this.id) query.sid = this.id;

            var transport = new transports[name]({
                agent: this.agent,
                hostname: this.hostname,
                port: this.port,
                secure: this.secure,
                path: this.path,
                query: query,
                forceJSONP: this.forceJSONP,
                jsonp: this.jsonp,
                forceBase64: this.forceBase64,
                enablesXDR: this.enablesXDR,
                timestampRequests: this.timestampRequests,
                timestampParam: this.timestampParam,
                policyPort: this.policyPort,
                socket: this,
                pfx: this.pfx,
                key: this.key,
                passphrase: this.passphrase,
                cert: this.cert,
                ca: this.ca,
                ciphers: this.ciphers,
                rejectUnauthorized: this.rejectUnauthorized,
                perMessageDeflate: this.perMessageDeflate,
                extraHeaders: this.extraHeaders
            });

            return transport;
        };

        function clone (obj) {
            var o = {};
            for (var i in obj) {
                if (obj.hasOwnProperty(i)) {
                    o[i] = obj[i];
                }
            }
            return o;
        }

        /**
		 * Initializes transport to use and starts probe.
		 * 
		 * @api private
		 */
        Socket.prototype.open = function () {
            var transport;
            if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') != -1) {
                transport = 'websocket';
            } else if (0 === this.transports.length) {
                // Emit error on next tick so it can be listened to
                var self = this;
                setTimeout(function() {
                    self.emit('error', 'No transports available');
                }, 0);
                return;
            } else {
                transport = this.transports[0];
            }
            this.readyState = 'opening';

            // Retry with the next transport if the transport is disabled
			// (jsonp: false)
            try {
                transport = this.createTransport(transport);
            } catch (e) {
                this.transports.shift();
                this.open();
                return;
            }

            transport.open();
            this.setTransport(transport);
        };

        /**
		 * Sets the current transport. Disables the existing one (if any).
		 * 
		 * @api private
		 */

        Socket.prototype.setTransport = function(transport){
            debug('setting transport %s', transport.name);
            var self = this;

            if (this.transport) {
                debug('clearing existing transport %s', this.transport.name);
                this.transport.removeAllListeners();
            }

            // set up transport
            this.transport = transport;

            // set up transport listeners
            transport
                .on('drain', function(){
                    self.onDrain();
                })
                .on('packet', function(packet){
                    self.onPacket(packet);
                })
                .on('error', function(e){
                    self.onError(e);
                })
                .on('close', function(){
                    self.onClose('transport close');
                });
        };

        /**
		 * Probes a transport.
		 * 
		 * @param {String}
		 *            transport name
		 * @api private
		 */

        Socket.prototype.probe = function (name) {
            debug('probing transport "%s"', name);
            var transport = this.createTransport(name, { probe: 1 })
                , failed = false
                , self = this;

            Socket.priorWebsocketSuccess = false;

            function onTransportOpen(){
                if (self.onlyBinaryUpgrades) {
                    var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
                    failed = failed || upgradeLosesBinary;
                }
                if (failed) return;

                debug('probe transport "%s" opened', name);
                transport.send([{ type: 'ping', data: 'probe' }]);
                transport.once('packet', function (msg) {
                    if (failed) return;
                    if ('pong' == msg.type && 'probe' == msg.data) {
                        debug('probe transport "%s" pong', name);
                        self.upgrading = true;
                        self.emit('upgrading', transport);
                        if (!transport) return;
                        Socket.priorWebsocketSuccess = 'websocket' == transport.name;

                        debug('pausing current transport "%s"', self.transport.name);
                        self.transport.pause(function () {
                            if (failed) return;
                            if ('closed' == self.readyState) return;
                            debug('changing transport and sending upgrade packet');

                            cleanup();

                            self.setTransport(transport);
                            transport.send([{ type: 'upgrade' }]);
                            self.emit('upgrade', transport);
                            transport = null;
                            self.upgrading = false;
                            self.flush();
                        });
                    } else {
                        debug('probe transport "%s" failed', name);
                        var err = new Error('probe error');
                        err.transport = transport.name;
                        self.emit('upgradeError', err);
                    }
                });
            }

            function freezeTransport() {
                if (failed) return;

                // Any callback called by transport should be ignored since now
                failed = true;

                cleanup();

                transport.close();
                transport = null;
            }

            // Handle any error that happens while probing
            function onerror(err) {
                var error = new Error('probe error: ' + err);
                error.transport = transport.name;

                freezeTransport();

                debug('probe transport "%s" failed because of error: %s', name, err);

                self.emit('upgradeError', error);
            }

            function onTransportClose(){
                onerror("transport closed");
            }

            // When the socket is closed while we're probing
            function onclose(){
                onerror("socket closed");
            }

            // When the socket is upgraded while we're probing
            function onupgrade(to){
                if (transport && to.name != transport.name) {
                    debug('"%s" works - aborting "%s"', to.name, transport.name);
                    freezeTransport();
                }
            }

            // Remove all listeners on the transport and on self
            function cleanup(){
                transport.removeListener('open', onTransportOpen);
                transport.removeListener('error', onerror);
                transport.removeListener('close', onTransportClose);
                self.removeListener('close', onclose);
                self.removeListener('upgrading', onupgrade);
            }

            transport.once('open', onTransportOpen);
            transport.once('error', onerror);
            transport.once('close', onTransportClose);

            this.once('close', onclose);
            this.once('upgrading', onupgrade);

            transport.open();

        };

        /**
		 * Called when connection is deemed open.
		 * 
		 * @api public
		 */

        Socket.prototype.onOpen = function () {
            debug('socket open');
            this.readyState = 'open';
            Socket.priorWebsocketSuccess = 'websocket' == this.transport.name;
            this.emit('open');
            this.flush();

            // we check for `readyState` in case an `open`
            // listener already closed the socket
            if ('open' == this.readyState && this.upgrade && this.transport.pause) {
                debug('starting upgrade probes');
                for (var i = 0, l = this.upgrades.length; i < l; i++) {
                    this.probe(this.upgrades[i]);
                }
            }
        };

        /**
		 * Handles a packet.
		 * 
		 * @api private
		 */

        Socket.prototype.onPacket = function (packet) {
            if ('opening' == this.readyState || 'open' == this.readyState) {
                debug('socket receive: type "%s", data "%s"', packet.type, packet.data);

                this.emit('packet', packet);

                // Socket is live - any packet counts
                this.emit('heartbeat');

                switch (packet.type) {
                    case 'open':
                        this.onHandshake(parsejson(packet.data));
                        break;

                    case 'pong':
                        this.setPing();
                        this.emit('pong');
                        break;

                    case 'error':
                        var err = new Error('server error');
                        err.code = packet.data;
                        this.onError(err);
                        break;

                    case 'message':
                        this.emit('data', packet.data);
                        this.emit('message', packet.data);
                        break;
                }
            } else {
                debug('packet received with socket readyState "%s"', this.readyState);
            }
        };

        /**
		 * Called upon handshake completion.
		 * 
		 * @param {Object}
		 *            handshake obj
		 * @api private
		 */

        Socket.prototype.onHandshake = function (data) {
            this.emit('handshake', data);
            this.id = data.sid;
            this.transport.query.sid = data.sid;
            this.upgrades = this.filterUpgrades(data.upgrades);
            this.pingInterval = data.pingInterval;
            this.pingTimeout = data.pingTimeout;
            this.onOpen();
            // In case open handler closes socket
            if  ('closed' == this.readyState) return;
            this.setPing();

            // Prolong liveness of socket on heartbeat
            this.removeListener('heartbeat', this.onHeartbeat);
            this.on('heartbeat', this.onHeartbeat);
        };

        /**
		 * Resets ping timeout.
		 * 
		 * @api private
		 */

        Socket.prototype.onHeartbeat = function (timeout) {
            clearTimeout(this.pingTimeoutTimer);
            var self = this;
            self.pingTimeoutTimer = setTimeout(function () {
                if ('closed' == self.readyState) return;
                self.onClose('ping timeout');
            }, timeout || (self.pingInterval + self.pingTimeout));
        };

        /**
		 * Pings server every `this.pingInterval` and expects response within
		 * `this.pingTimeout` or closes connection.
		 * 
		 * @api private
		 */

        Socket.prototype.setPing = function () {
            var self = this;
            clearTimeout(self.pingIntervalTimer);
            self.pingIntervalTimer = setTimeout(function () {
                debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
                self.ping();
                self.onHeartbeat(self.pingTimeout);
            }, self.pingInterval);
        };

        /**
		 * Sends a ping packet.
		 * 
		 * @api private
		 */

        Socket.prototype.ping = function () {
            var self = this;
            this.sendPacket('ping', function(){
                self.emit('ping');
            });
        };

        /**
		 * Called on `drain` event
		 * 
		 * @api private
		 */

        Socket.prototype.onDrain = function() {
            this.writeBuffer.splice(0, this.prevBufferLen);

            // setting prevBufferLen = 0 is very important
            // for example, when upgrading, upgrade packet is sent over,
            // and a nonzero prevBufferLen could cause problems on `drain`
            this.prevBufferLen = 0;

            if (0 === this.writeBuffer.length) {
                this.emit('drain');
            } else {
                this.flush();
            }
        };

        /**
		 * Flush write buffers.
		 * 
		 * @api private
		 */

        Socket.prototype.flush = function () {
            if ('closed' != this.readyState && this.transport.writable &&
                !this.upgrading && this.writeBuffer.length) {
                debug('flushing %d packets in socket', this.writeBuffer.length);
                this.transport.send(this.writeBuffer);
                // keep track of current length of writeBuffer
                // splice writeBuffer and callbackBuffer on `drain`
                this.prevBufferLen = this.writeBuffer.length;
                this.emit('flush');
            }
        };

        /**
		 * Sends a message.
		 * 
		 * @param {String}
		 *            message.
		 * @param {Function}
		 *            callback function.
		 * @param {Object}
		 *            options.
		 * @return {Socket} for chaining.
		 * @api public
		 */

        Socket.prototype.write =
            Socket.prototype.send = function (msg, options, fn) {
                this.sendPacket('message', msg, options, fn);
                return this;
            };

        /**
		 * Sends a packet.
		 * 
		 * @param {String}
		 *            packet type.
		 * @param {String}
		 *            data.
		 * @param {Object}
		 *            options.
		 * @param {Function}
		 *            callback function.
		 * @api private
		 */

        Socket.prototype.sendPacket = function (type, data, options, fn) {
            if('function' == typeof data) {
                fn = data;
                data = undefined;
            }

            if ('function' == typeof options) {
                fn = options;
                options = null;
            }

            if ('closing' == this.readyState || 'closed' == this.readyState) {
                return;
            }

            options = options || {};
            options.compress = false !== options.compress;

            var packet = {
                type: type,
                data: data,
                options: options
            };
            this.emit('packetCreate', packet);
            this.writeBuffer.push(packet);
            if (fn) this.once('flush', fn);
            this.flush();
        };

        /**
		 * Closes the connection.
		 * 
		 * @api private
		 */

        Socket.prototype.close = function () {
            if ('opening' == this.readyState || 'open' == this.readyState) {
                this.readyState = 'closing';

                var self = this;

                if (this.writeBuffer.length) {
                    this.once('drain', function() {
                        if (this.upgrading) {
                            waitForUpgrade();
                        } else {
                            close();
                        }
                    });
                } else if (this.upgrading) {
                    waitForUpgrade();
                } else {
                    close();
                }
            }

            function close() {
                self.onClose('forced close');
                debug('socket closing - telling transport to close');
                self.transport.close();
            }

            function cleanupAndClose() {
                self.removeListener('upgrade', cleanupAndClose);
                self.removeListener('upgradeError', cleanupAndClose);
                close();
            }

            function waitForUpgrade() {
                // wait for upgrade to finish since we can't send packets while
				// pausing a transport
                self.once('upgrade', cleanupAndClose);
                self.once('upgradeError', cleanupAndClose);
            }

            return this;
        };

        /**
		 * Called upon transport error
		 * 
		 * @api private
		 */

        Socket.prototype.onError = function (err) {
            debug('socket error %j', err);
            Socket.priorWebsocketSuccess = false;
            this.emit('error', err);
            this.onClose('transport error', err);
        };

        /**
		 * Called upon transport close.
		 * 
		 * @api private
		 */

        Socket.prototype.onClose = function (reason, desc) {
            if ('opening' == this.readyState || 'open' == this.readyState || 'closing' == this.readyState) {
                debug('socket close with reason: "%s"', reason);
                var self = this;

                // clear timers
                clearTimeout(this.pingIntervalTimer);
                clearTimeout(this.pingTimeoutTimer);

                // stop event from firing again for transport
                this.transport.removeAllListeners('close');

                // ensure transport won't stay open
                this.transport.close();

                // ignore further transport communication
                this.transport.removeAllListeners();

                // set ready state
                this.readyState = 'closed';

                // clear session id
                this.id = null;

                // emit close event
                this.emit('close', reason, desc);

                // clean buffers after, so users can still
                // grab the buffers on `close` event
                self.writeBuffer = [];
                self.prevBufferLen = 0;
            }
        };

        /**
		 * Filters upgrades, returning only those matching client transports.
		 * 
		 * @param {Array}
		 *            server upgrades
		 * @api private
		 * 
		 */

        Socket.prototype.filterUpgrades = function (upgrades) {
            var filteredUpgrades = [];
            for (var i = 0, j = upgrades.length; i<j; i++) {
                if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
            }
            return filteredUpgrades;
        };

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./transport":19,"./transports":20,"component-emitter":26,"debug":14,"engine.io-parser":27,"indexof":33,"parsejson":37,"parseqs":38,"parseuri":39}],19:[function(_dereq_,module,exports){
    /**
	 * Module dependencies.
	 */

    var parser = _dereq_('engine.io-parser');
    var Emitter = _dereq_('component-emitter');

    /**
	 * Module exports.
	 */

    module.exports = Transport;

    /**
	 * Transport abstract constructor.
	 * 
	 * @param {Object}
	 *            options.
	 * @api private
	 */

    function Transport (opts) {
        this.path = opts.path;
        this.hostname = opts.hostname;
        this.port = opts.port;
        this.secure = opts.secure;
        this.query = opts.query;
        this.timestampParam = opts.timestampParam;
        this.timestampRequests = opts.timestampRequests;
        this.readyState = '';
        this.agent = opts.agent || false;
        this.socket = opts.socket;
        this.enablesXDR = opts.enablesXDR;

        // SSL options for Node.js client
        this.pfx = opts.pfx;
        this.key = opts.key;
        this.passphrase = opts.passphrase;
        this.cert = opts.cert;
        this.ca = opts.ca;
        this.ciphers = opts.ciphers;
        this.rejectUnauthorized = opts.rejectUnauthorized;

        // other options for Node.js client
        this.extraHeaders = opts.extraHeaders;
    }

    /**
	 * Mix in `Emitter`.
	 */

    Emitter(Transport.prototype);

    /**
	 * Emits an error.
	 * 
	 * @param {String}
	 *            str
	 * @return {Transport} for chaining
	 * @api public
	 */

    Transport.prototype.onError = function (msg, desc) {
        var err = new Error(msg);
        err.type = 'TransportError';
        err.description = desc;
        this.emit('error', err);
        return this;
    };

    /**
	 * Opens the transport.
	 * 
	 * @api public
	 */

    Transport.prototype.open = function () {
        if ('closed' == this.readyState || '' == this.readyState) {
            this.readyState = 'opening';
            this.doOpen();
        }

        return this;
    };

    /**
	 * Closes the transport.
	 * 
	 * @api private
	 */

    Transport.prototype.close = function () {
        if ('opening' == this.readyState || 'open' == this.readyState) {
            this.doClose();
            this.onClose();
        }

        return this;
    };

    /**
	 * Sends multiple packets.
	 * 
	 * @param {Array}
	 *            packets
	 * @api private
	 */

    Transport.prototype.send = function(packets){
        if ('open' == this.readyState) {
            this.write(packets);
        } else {
            throw new Error('Transport not open');
        }
    };

    /**
	 * Called upon open
	 * 
	 * @api private
	 */

    Transport.prototype.onOpen = function () {
        this.readyState = 'open';
        this.writable = true;
        this.emit('open');
    };

    /**
	 * Called with data.
	 * 
	 * @param {String}
	 *            data
	 * @api private
	 */

    Transport.prototype.onData = function(data){
        var packet = parser.decodePacket(data, this.socket.binaryType);
        this.onPacket(packet);
    };

    /**
	 * Called with a decoded packet.
	 */

    Transport.prototype.onPacket = function (packet) {
        this.emit('packet', packet);
    };

    /**
	 * Called upon close.
	 * 
	 * @api private
	 */

    Transport.prototype.onClose = function () {
        this.readyState = 'closed';
        this.emit('close');
    };

},{"component-emitter":26,"engine.io-parser":27}],20:[function(_dereq_,module,exports){
    (function (global){
        /**
		 * Module dependencies
		 */

        var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
        var XHR = _dereq_('./polling-xhr');
        var JSONP = _dereq_('./polling-jsonp');
        var websocket = _dereq_('./websocket');

        /**
		 * Export transports.
		 */

        exports.polling = polling;
        exports.websocket = websocket;

        /**
		 * Polling transport polymorphic constructor. Decides on xhr vs jsonp
		 * based on feature detection.
		 * 
		 * @api private
		 */

        function polling(opts){
            var xhr;
            var xd = false;
            var xs = false;
            var jsonp = false !== opts.jsonp;

            if (global.location) {
                var isSSL = 'https:' == location.protocol;
                var port = location.port;

                // some user agents have empty `location.port`
                if (!port) {
                    port = isSSL ? 443 : 80;
                }

                xd = opts.hostname != location.hostname || port != opts.port;
                xs = opts.secure != isSSL;
            }

            opts.xdomain = xd;
            opts.xscheme = xs;
            xhr = new XMLHttpRequest(opts);

            if ('open' in xhr && !opts.forceJSONP) {
                return new XHR(opts);
            } else {
                if (!jsonp) throw new Error('JSONP disabled');
                return new JSONP(opts);
            }
        }

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./polling-jsonp":21,"./polling-xhr":22,"./websocket":24,"xmlhttprequest-ssl":25}],21:[function(_dereq_,module,exports){
    (function (global){

        /**
		 * Module requirements.
		 */

        var Polling = _dereq_('./polling');
        var inherit = _dereq_('component-inherit');

        /**
		 * Module exports.
		 */

        module.exports = JSONPPolling;

        /**
		 * Cached regular expressions.
		 */

        var rNewline = /\n/g;
        var rEscapedNewline = /\\n/g;

        /**
		 * Global JSONP callbacks.
		 */

        var callbacks;

        /**
		 * Callbacks count.
		 */

        var index = 0;

        /**
		 * Noop.
		 */

        function empty () { }

        /**
		 * JSONP Polling constructor.
		 * 
		 * @param {Object}
		 *            opts.
		 * @api public
		 */

        function JSONPPolling (opts) {
            Polling.call(this, opts);

            this.query = this.query || {};

            // define global callbacks array if not present
            // we do this here (lazily) to avoid unneeded global pollution
            if (!callbacks) {
                // we need to consider multiple engines in the same page
                if (!global.___eio) global.___eio = [];
                callbacks = global.___eio;
            }

            // callback identifier
            this.index = callbacks.length;

            // add callback to jsonp global
            var self = this;
            callbacks.push(function (msg) {
                self.onData(msg);
            });

            // append to query string
            this.query.j = this.index;

            // prevent spurious errors from being emitted when the window is
			// unloaded
            if (global.document && global.addEventListener) {
                global.addEventListener('beforeunload', function () {
                    if (self.script) self.script.onerror = empty;
                }, false);
            }
        }

        /**
		 * Inherits from Polling.
		 */

        inherit(JSONPPolling, Polling);

        /*
		 * JSONP only supports binary as base64 encoded strings
		 */

        JSONPPolling.prototype.supportsBinary = false;

        /**
		 * Closes the socket.
		 * 
		 * @api private
		 */

        JSONPPolling.prototype.doClose = function () {
            if (this.script) {
                this.script.parentNode.removeChild(this.script);
                this.script = null;
            }

            if (this.form) {
                this.form.parentNode.removeChild(this.form);
                this.form = null;
                this.iframe = null;
            }

            Polling.prototype.doClose.call(this);
        };

        /**
		 * Starts a poll cycle.
		 * 
		 * @api private
		 */

        JSONPPolling.prototype.doPoll = function () {
            var self = this;
            var script = document.createElement('script');

            if (this.script) {
                this.script.parentNode.removeChild(this.script);
                this.script = null;
            }

            script.async = true;
            script.src = this.uri();
            script.onerror = function(e){
                self.onError('jsonp poll error',e);
            };

            var insertAt = document.getElementsByTagName('script')[0];
            insertAt.parentNode.insertBefore(script, insertAt);
            this.script = script;

            var isUAgecko = 'undefined' != typeof navigator && /gecko/i.test(navigator.userAgent);

            if (isUAgecko) {
                setTimeout(function () {
                    var iframe = document.createElement('iframe');
                    document.body.appendChild(iframe);
                    document.body.removeChild(iframe);
                }, 100);
            }
        };

        /**
		 * Writes with a hidden iframe.
		 * 
		 * @param {String}
		 *            data to send
		 * @param {Function}
		 *            called upon flush.
		 * @api private
		 */

        JSONPPolling.prototype.doWrite = function (data, fn) {
            var self = this;

            if (!this.form) {
                var form = document.createElement('form');
                var area = document.createElement('textarea');
                var id = this.iframeId = 'eio_iframe_' + this.index;
                var iframe;

                form.className = 'socketio';
                form.style.position = 'absolute';
                form.style.top = '-1000px';
                form.style.left = '-1000px';
                form.target = id;
                form.method = 'POST';
                form.setAttribute('accept-charset', 'utf-8');
                area.name = 'd';
                form.appendChild(area);
                document.body.appendChild(form);

                this.form = form;
                this.area = area;
            }

            this.form.action = this.uri();

            function complete () {
                initIframe();
                fn();
            }

            function initIframe () {
                if (self.iframe) {
                    try {
                        self.form.removeChild(self.iframe);
                    } catch (e) {
                        self.onError('jsonp polling iframe removal error', e);
                    }
                }

                try {
                    // ie6 dynamic iframes with target="" support (thanks Chris
					// Lambacher)
                    var html = '<iframe src="javascript:0" name="'+ self.iframeId +'">';
                    iframe = document.createElement(html);
                } catch (e) {
                    iframe = document.createElement('iframe');
                    iframe.name = self.iframeId;
                    iframe.src = 'javascript:0';
                }

                iframe.id = self.iframeId;

                self.form.appendChild(iframe);
                self.iframe = iframe;
            }

            initIframe();

            // escape \n to prevent it from being converted into \r\n by some
			// UAs
            // double escaping is required for escaped new lines because
			// unescaping of new lines can be done safely on server-side
            data = data.replace(rEscapedNewline, '\\\n');
            this.area.value = data.replace(rNewline, '\\n');

            try {
                this.form.submit();
            } catch(e) {}

            if (this.iframe.attachEvent) {
                this.iframe.onreadystatechange = function(){
                    if (self.iframe.readyState == 'complete') {
                        complete();
                    }
                };
            } else {
                this.iframe.onload = complete;
            }
        };

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./polling":23,"component-inherit":13}],22:[function(_dereq_,module,exports){
    (function (global){
        /**
		 * Module requirements.
		 */

        var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
        var Polling = _dereq_('./polling');
        var Emitter = _dereq_('component-emitter');
        var inherit = _dereq_('component-inherit');
        var debug = _dereq_('debug')('engine.io-client:polling-xhr');

        /**
		 * Module exports.
		 */

        module.exports = XHR;
        module.exports.Request = Request;

        /**
		 * Empty function
		 */

        function empty(){}

        /**
		 * XHR Polling constructor.
		 * 
		 * @param {Object}
		 *            opts
		 * @api public
		 */

        function XHR(opts){
            Polling.call(this, opts);

            if (global.location) {
                var isSSL = 'https:' == location.protocol;
                var port = location.port;

                // some user agents have empty `location.port`
                if (!port) {
                    port = isSSL ? 443 : 80;
                }

                this.xd = opts.hostname != global.location.hostname ||
                    port != opts.port;
                this.xs = opts.secure != isSSL;
            } else {
                this.extraHeaders = opts.extraHeaders;
            }
        }

        /**
		 * Inherits from Polling.
		 */

        inherit(XHR, Polling);

        /**
		 * XHR supports binary
		 */

        XHR.prototype.supportsBinary = true;

        /**
		 * Creates a request.
		 * 
		 * @param {String}
		 *            method
		 * @api private
		 */

        XHR.prototype.request = function(opts){
            opts = opts || {};
            opts.uri = this.uri();
            opts.xd = this.xd;
            opts.xs = this.xs;
            opts.agent = this.agent || false;
            opts.supportsBinary = this.supportsBinary;
            opts.enablesXDR = this.enablesXDR;

            // SSL options for Node.js client
            opts.pfx = this.pfx;
            opts.key = this.key;
            opts.passphrase = this.passphrase;
            opts.cert = this.cert;
            opts.ca = this.ca;
            opts.ciphers = this.ciphers;
            opts.rejectUnauthorized = this.rejectUnauthorized;

            // other options for Node.js client
            opts.extraHeaders = this.extraHeaders;

            return new Request(opts);
        };

        /**
		 * Sends data.
		 * 
		 * @param {String}
		 *            data to send.
		 * @param {Function}
		 *            called upon flush.
		 * @api private
		 */

        XHR.prototype.doWrite = function(data, fn){
            var isBinary = typeof data !== 'string' && data !== undefined;
            var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
            var self = this;
            req.on('success', fn);
            req.on('error', function(err){
                self.onError('xhr post error', err);
            });
            this.sendXhr = req;
        };

        /**
		 * Starts a poll cycle.
		 * 
		 * @api private
		 */

        XHR.prototype.doPoll = function(){
            debug('xhr poll');
            var req = this.request();
            var self = this;
            req.on('data', function(data){
                self.onData(data);
            });
            req.on('error', function(err){
                self.onError('xhr poll error', err);
            });
            this.pollXhr = req;
        };

        /**
		 * Request constructor
		 * 
		 * @param {Object}
		 *            options
		 * @api public
		 */

        function Request(opts){
            this.method = opts.method || 'GET';
            this.uri = opts.uri;
            this.xd = !!opts.xd;
            this.xs = !!opts.xs;
            this.async = false !== opts.async;
            this.data = undefined != opts.data ? opts.data : null;
            this.agent = opts.agent;
            this.isBinary = opts.isBinary;
            this.supportsBinary = opts.supportsBinary;
            this.enablesXDR = opts.enablesXDR;

            // SSL options for Node.js client
            this.pfx = opts.pfx;
            this.key = opts.key;
            this.passphrase = opts.passphrase;
            this.cert = opts.cert;
            this.ca = opts.ca;
            this.ciphers = opts.ciphers;
            this.rejectUnauthorized = opts.rejectUnauthorized;

            // other options for Node.js client
            this.extraHeaders = opts.extraHeaders;

            this.create();
        }

        /**
		 * Mix in `Emitter`.
		 */

        Emitter(Request.prototype);

        /**
		 * Creates the XHR object and sends the request.
		 * 
		 * @api private
		 */

        Request.prototype.create = function(){
            var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };

            // SSL options for Node.js client
            opts.pfx = this.pfx;
            opts.key = this.key;
            opts.passphrase = this.passphrase;
            opts.cert = this.cert;
            opts.ca = this.ca;
            opts.ciphers = this.ciphers;
            opts.rejectUnauthorized = this.rejectUnauthorized;

            var xhr = this.xhr = new XMLHttpRequest(opts);
            var self = this;

            try {
                debug('xhr open %s: %s', this.method, this.uri);
                xhr.open(this.method, this.uri, this.async);
                try {
                    if (this.extraHeaders) {
                        xhr.setDisableHeaderCheck(true);
                        for (var i in this.extraHeaders) {
                            if (this.extraHeaders.hasOwnProperty(i)) {
                                xhr.setRequestHeader(i, this.extraHeaders[i]);
                            }
                        }
                    }
                } catch (e) {}
                if (this.supportsBinary) {
                    // This has to be done after open because Firefox is stupid
                    // http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension
                    xhr.responseType = 'arraybuffer';
                }

                if ('POST' == this.method) {
                    try {
                        if (this.isBinary) {
                            xhr.setRequestHeader('Content-type', 'application/octet-stream');
                        } else {
                            xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
                        }
                    } catch (e) {}
                }

                // ie6 check
                if ('withCredentials' in xhr) {
                    xhr.withCredentials = true;
                }

                if (this.hasXDR()) {
                    xhr.onload = function(){
                        self.onLoad();
                    };
                    xhr.onerror = function(){
                        self.onError(xhr.responseText);
                    };
                } else {
                    xhr.onreadystatechange = function(){
                        if (4 != xhr.readyState) return;
                        if (200 == xhr.status || 1223 == xhr.status) {
                            self.onLoad();
                        } else {
                            // make sure the `error` event handler that's
							// user-set
                            // does not throw in the same tick and gets caught
							// here
                            setTimeout(function(){
                                self.onError(xhr.status);
                            }, 0);
                        }
                    };
                }

                debug('xhr data %s', this.data);
                xhr.send(this.data);
            } catch (e) {
                // Need to defer since .create() is called directly fhrom the
				// constructor
                // and thus the 'error' event can only be only bound *after*
				// this exception
                // occurs. Therefore, also, we cannot throw here at all.
                setTimeout(function() {
                    self.onError(e);
                }, 0);
                return;
            }

            if (global.document) {
                this.index = Request.requestsCount++;
                Request.requests[this.index] = this;
            }
        };

        /**
		 * Called upon successful response.
		 * 
		 * @api private
		 */

        Request.prototype.onSuccess = function(){
            this.emit('success');
            this.cleanup();
        };

        /**
		 * Called if we have data.
		 * 
		 * @api private
		 */

        Request.prototype.onData = function(data){
            this.emit('data', data);
            this.onSuccess();
        };

        /**
		 * Called upon error.
		 * 
		 * @api private
		 */

        Request.prototype.onError = function(err){
            this.emit('error', err);
            this.cleanup(true);
        };

        /**
		 * Cleans up house.
		 * 
		 * @api private
		 */

        Request.prototype.cleanup = function(fromError){
            if ('undefined' == typeof this.xhr || null === this.xhr) {
                return;
            }
            // xmlhttprequest
            if (this.hasXDR()) {
                this.xhr.onload = this.xhr.onerror = empty;
            } else {
                this.xhr.onreadystatechange = empty;
            }

            if (fromError) {
                try {
                    this.xhr.abort();
                } catch(e) {}
            }

            if (global.document) {
                delete Request.requests[this.index];
            }

            this.xhr = null;
        };

        /**
		 * Called upon load.
		 * 
		 * @api private
		 */

        Request.prototype.onLoad = function(){
            var data;
            try {
                var contentType;
                try {
                    contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
                } catch (e) {}
                if (contentType === 'application/octet-stream') {
                    data = this.xhr.response;
                } else {
                    if (!this.supportsBinary) {
                        data = this.xhr.responseText;
                    } else {
                        try {
                            data = String.fromCharCode.apply(null, new Uint8Array(this.xhr.response));
                        } catch (e) {
                            var ui8Arr = new Uint8Array(this.xhr.response);
                            var dataArray = [];
                            for (var idx = 0, length = ui8Arr.length; idx < length; idx++) {
                                dataArray.push(ui8Arr[idx]);
                            }

                            data = String.fromCharCode.apply(null, dataArray);
                        }
                    }
                }
            } catch (e) {
                this.onError(e);
            }
            if (null != data) {
                this.onData(data);
            }
        };

        /**
		 * Check if it has XDomainRequest.
		 * 
		 * @api private
		 */

        Request.prototype.hasXDR = function(){
            return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
        };

        /**
		 * Aborts the request.
		 * 
		 * @api public
		 */

        Request.prototype.abort = function(){
            this.cleanup();
        };

        /**
		 * Aborts pending requests when unloading the window. This is needed to
		 * prevent memory leaks (e.g. when using IE) and to ensure that no
		 * spurious error is emitted.
		 */

        if (global.document) {
            Request.requestsCount = 0;
            Request.requests = {};
            if (global.attachEvent) {
                global.attachEvent('onunload', unloadHandler);
            } else if (global.addEventListener) {
                global.addEventListener('beforeunload', unloadHandler, false);
            }
        }

        function unloadHandler() {
            for (var i in Request.requests) {
                if (Request.requests.hasOwnProperty(i)) {
                    Request.requests[i].abort();
                }
            }
        }

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./polling":23,"component-emitter":26,"component-inherit":13,"debug":14,"xmlhttprequest-ssl":25}],23:[function(_dereq_,module,exports){
    /**
	 * Module dependencies.
	 */

    var Transport = _dereq_('../transport');
    var parseqs = _dereq_('parseqs');
    var parser = _dereq_('engine.io-parser');
    var inherit = _dereq_('component-inherit');
    var yeast = _dereq_('yeast');
    var debug = _dereq_('debug')('engine.io-client:polling');

    /**
	 * Module exports.
	 */

    module.exports = Polling;

    /**
	 * Is XHR2 supported?
	 */

    var hasXHR2 = (function() {
        var XMLHttpRequest = _dereq_('xmlhttprequest-ssl');
        var xhr = new XMLHttpRequest({ xdomain: false });
        return null != xhr.responseType;
    })();

    /**
	 * Polling interface.
	 * 
	 * @param {Object}
	 *            opts
	 * @api private
	 */

    function Polling(opts){
        var forceBase64 = (opts && opts.forceBase64);
        if (!hasXHR2 || forceBase64) {
            this.supportsBinary = false;
        }
        Transport.call(this, opts);
    }

    /**
	 * Inherits from Transport.
	 */

    inherit(Polling, Transport);

    /**
	 * Transport name.
	 */

    Polling.prototype.name = 'polling';

    /**
	 * Opens the socket (triggers polling). We write a PING message to determine
	 * when the transport is open.
	 * 
	 * @api private
	 */

    Polling.prototype.doOpen = function(){
        this.poll();
    };

    /**
	 * Pauses polling.
	 * 
	 * @param {Function}
	 *            callback upon buffers are flushed and transport is paused
	 * @api private
	 */

    Polling.prototype.pause = function(onPause){
        var pending = 0;
        var self = this;

        this.readyState = 'pausing';

        function pause(){
            debug('paused');
            self.readyState = 'paused';
            onPause();
        }

        if (this.polling || !this.writable) {
            var total = 0;

            if (this.polling) {
                debug('we are currently polling - waiting to pause');
                total++;
                this.once('pollComplete', function(){
                    debug('pre-pause polling complete');
                    --total || pause();
                });
            }

            if (!this.writable) {
                debug('we are currently writing - waiting to pause');
                total++;
                this.once('drain', function(){
                    debug('pre-pause writing complete');
                    --total || pause();
                });
            }
        } else {
            pause();
        }
    };

    /**
	 * Starts polling cycle.
	 * 
	 * @api public
	 */

    Polling.prototype.poll = function(){
        debug('polling');
        this.polling = true;
        this.doPoll();
        this.emit('poll');
    };

    /**
	 * Overloads onData to detect payloads.
	 * 
	 * @api private
	 */

    Polling.prototype.onData = function(data){
        var self = this;
        debug('polling got data %s', data);
        var callback = function(packet, index, total) {
            // if its the first message we consider the transport open
            if ('opening' == self.readyState) {
                self.onOpen();
            }

            // if its a close packet, we close the ongoing requests
            if ('close' == packet.type) {
                self.onClose();
                return false;
            }

            // otherwise bypass onData and handle the message
            self.onPacket(packet);
        };

        // decode payload
        parser.decodePayload(data, this.socket.binaryType, callback);

        // if an event did not trigger closing
        if ('closed' != this.readyState) {
            // if we got data we're not polling
            this.polling = false;
            this.emit('pollComplete');

            if ('open' == this.readyState) {
                this.poll();
            } else {
                debug('ignoring poll - transport state "%s"', this.readyState);
            }
        }
    };

    /**
	 * For polling, send a close packet.
	 * 
	 * @api private
	 */

    Polling.prototype.doClose = function(){
        var self = this;

        function close(){
            debug('writing close packet');
            self.write([{ type: 'close' }]);
        }

        if ('open' == this.readyState) {
            debug('transport open - closing');
            close();
        } else {
            // in case we're trying to close while
            // handshaking is in progress (GH-164)
            debug('transport not open - deferring close');
            this.once('open', close);
        }
    };

    /**
	 * Writes a packets payload.
	 * 
	 * @param {Array}
	 *            data packets
	 * @param {Function}
	 *            drain callback
	 * @api private
	 */

    Polling.prototype.write = function(packets){
        var self = this;
        this.writable = false;
        var callbackfn = function() {
            self.writable = true;
            self.emit('drain');
        };

        var self = this;
        parser.encodePayload(packets, this.supportsBinary, function(data) {
            self.doWrite(data, callbackfn);
        });
    };

    /**
	 * Generates uri for connection.
	 * 
	 * @api private
	 */

    Polling.prototype.uri = function(){
        var query = this.query || {};
        var schema = this.secure ? 'https' : 'http';
        var port = '';

        // cache busting is forced
        if (false !== this.timestampRequests) {
            query[this.timestampParam] = yeast();
        }

        if (!this.supportsBinary && !query.sid) {
            query.b64 = 1;
        }

        query = parseqs.encode(query);

        // avoid port if default for schema
        if (this.port && (('https' == schema && this.port != 443) ||
            ('http' == schema && this.port != 80))) {
            port = ':' + this.port;
        }

        // prepend ? to query
        if (query.length) {
            query = '?' + query;
        }

        var ipv6 = this.hostname.indexOf(':') !== -1;
        return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
    };

},{"../transport":19,"component-inherit":13,"debug":14,"engine.io-parser":27,"parseqs":38,"xmlhttprequest-ssl":25,"yeast":47}],24:[function(_dereq_,module,exports){
    (function (global){
        /**
		 * Module dependencies.
		 */

        var Transport = _dereq_('../transport');
        var parser = _dereq_('engine.io-parser');
        var parseqs = _dereq_('parseqs');
        var inherit = _dereq_('component-inherit');
        var yeast = _dereq_('yeast');
        var debug = _dereq_('debug')('engine.io-client:websocket');

        /**
		 * `ws` exposes a WebSocket-compatible interface in Node, or the
		 * `WebSocket` or `MozWebSocket` globals in the browser.
		 */

        var WebSocket = _dereq_('ws');

        /**
		 * Module exports.
		 */

        module.exports = WS;

        /**
		 * WebSocket transport constructor.
		 * 
		 * @api {Object} connection options
		 * @api public
		 */

        function WS(opts){
            var forceBase64 = (opts && opts.forceBase64);
            if (forceBase64) {
                this.supportsBinary = false;
            }
            this.perMessageDeflate = opts.perMessageDeflate;
            Transport.call(this, opts);
        }

        /**
		 * Inherits from Transport.
		 */

        inherit(WS, Transport);

        /**
		 * Transport name.
		 * 
		 * @api public
		 */

        WS.prototype.name = 'websocket';

        /*
		 * WebSockets support binary
		 */

        WS.prototype.supportsBinary = true;

        /**
		 * Opens socket.
		 * 
		 * @api private
		 */

        WS.prototype.doOpen = function(){
            if (!this.check()) {
                // let probe timeout
                return;
            }

            var self = this;
            var uri = this.uri();
            var protocols = void(0);
            var opts = {
                agent: this.agent,
                perMessageDeflate: this.perMessageDeflate
            };

            // SSL options for Node.js client
            opts.pfx = this.pfx;
            opts.key = this.key;
            opts.passphrase = this.passphrase;
            opts.cert = this.cert;
            opts.ca = this.ca;
            opts.ciphers = this.ciphers;
            opts.rejectUnauthorized = this.rejectUnauthorized;
            if (this.extraHeaders) {
                opts.headers = this.extraHeaders;
            }

            this.ws = new WebSocket(uri, protocols, opts);

            if (this.ws.binaryType === undefined) {
                this.supportsBinary = false;
            }else{
                io.isBinary = true;
            }

            if (this.ws.supports && this.ws.supports.binary) {
                this.supportsBinary = true;
                this.ws.binaryType = 'buffer';
            } else {
                this.ws.binaryType = 'arraybuffer';
            }

            this.addEventListeners();
        };

        /**
		 * Adds event listeners to the socket
		 * 
		 * @api private
		 */

        WS.prototype.addEventListeners = function(){
            var self = this;

            this.ws.onopen = function(){
                self.onOpen();
            };
            this.ws.onclose = function(){
                self.onClose();
            };
            this.ws.onmessage = function(ev){
                self.onData(ev.data);
            };
            this.ws.onerror = function(e){
                self.onError('websocket error', e);
            };
        };

        /**
		 * Override `onData` to use a timer on iOS. See:
		 * https://gist.github.com/mloughran/2052006
		 * 
		 * @api private
		 */

        if ('undefined' != typeof navigator
            && /iPad|iPhone|iPod/i.test(navigator.userAgent)) {
            WS.prototype.onData = function(data){
                var self = this;
                setTimeout(function(){
                    Transport.prototype.onData.call(self, data);
                }, 0);
            };
        }

        /**
		 * Writes data to socket.
		 * 
		 * @param {Array}
		 *            array of packets.
		 * @api private
		 */

        WS.prototype.write = function(packets){
            var self = this;
            this.writable = false;

            var isBrowserWebSocket = global.WebSocket && this.ws instanceof global.WebSocket;

            // encodePacket efficient as it uses WS framing
            // no need for encodePayload
            var total = packets.length;
            for (var i = 0, l = total; i < l; i++) {
                (function(packet) {
                    parser.encodePacket(packet, self.supportsBinary, function(data) {
                        if (!isBrowserWebSocket) {
                            // always create a new object (GH-437)
                            var opts = {};
                            if (packet.options) {
                                opts.compress = packet.options.compress;
                            }

                            if (self.perMessageDeflate) {
                                var len = 'string' == typeof data ? global.Buffer.byteLength(data) : data.length;
                                if (len < self.perMessageDeflate.threshold) {
                                    opts.compress = false;
                                }
                            }
                        }

                        // Sometimes the websocket has already been closed but
						// the browser didn't
                        // have a chance of informing us about it yet, in that
						// case send will
                        // throw an error
                        try {
                            if (isBrowserWebSocket) {
                                // TypeError is thrown when passing the second
								// argument on Safari
                                self.ws.send(data);
                            } else {
                                self.ws.send(data, opts);
                            }
                        } catch (e){
                            debug('websocket closed before onclose event');
                        }

                        --total || done();
                    });
                })(packets[i]);
            }

            function done(){
                self.emit('flush');

                // fake drain
                // defer to next tick to allow Socket to clear writeBuffer
                setTimeout(function(){
                    self.writable = true;
                    self.emit('drain');
                }, 0);
            }
        };

        /**
		 * Called upon close
		 * 
		 * @api private
		 */

        WS.prototype.onClose = function(){
            Transport.prototype.onClose.call(this);
        };

        /**
		 * Closes socket.
		 * 
		 * @api private
		 */

        WS.prototype.doClose = function(){
            if (typeof this.ws !== 'undefined') {
                this.ws.close();
            }
        };

        /**
		 * Generates uri for connection.
		 * 
		 * @api private
		 */

        WS.prototype.uri = function(){
            var query = this.query || {};
            var schema = this.secure ? 'wss' : 'ws';
            var port = '';

            // avoid port if default for schema
            if (this.port && (('wss' == schema && this.port != 443)
                || ('ws' == schema && this.port != 80))) {
                port = ':' + this.port;
            }

            // append timestamp to URI
            if (this.timestampRequests) {
                query[this.timestampParam] = yeast();
            }

            // communicate binary support capabilities
            if (!this.supportsBinary) {
                query.b64 = 1;
            }

            query = parseqs.encode(query);

            // prepend ? to query
            if (query.length) {
                query = '?' + query;
            }

            var ipv6 = this.hostname.indexOf(':') !== -1;
            return schema + '://' + (ipv6 ? '[' + this.hostname + ']' : this.hostname) + port + this.path + query;
        };

        /**
		 * Feature detection for WebSocket.
		 * 
		 * @return {Boolean} whether this transport is available.
		 * @api public
		 */

        WS.prototype.check = function(){
            return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
        };

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"../transport":19,"component-inherit":13,"debug":14,"engine.io-parser":27,"parseqs":38,"ws":46,"yeast":47}],25:[function(_dereq_,module,exports){
// browser shim for xmlhttprequest module
    var hasCORS = _dereq_('has-cors');

    module.exports = function(opts) {
        var xdomain = opts.xdomain;

        // scheme must be same when usign XDomainRequest
        // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
        var xscheme = opts.xscheme;

        // XDomainRequest has a flow of not sending cookie, therefore it should
		// be disabled as a default.
        // https://github.com/Automattic/engine.io-client/pull/217
        var enablesXDR = opts.enablesXDR;

        // XMLHttpRequest can be disabled on IE
        try {
            if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
                return new XMLHttpRequest();
            }
        } catch (e) { }

        // Use XDomainRequest for IE8 if enablesXDR is true
        // because loading bar keeps flashing when using jsonp-polling
        // https://github.com/yujiosaka/socke.io-ie8-loading-example
        try {
            if ('undefined' != typeof XDomainRequest && !xscheme && enablesXDR) {
                return new XDomainRequest();
            }
        } catch (e) { }

        if (!xdomain) {
            try {
                return new ActiveXObject('Microsoft.XMLHTTP');
            } catch(e) { }
        }
    }

},{"has-cors":32}],26:[function(_dereq_,module,exports){

    /**
	 * Expose `Emitter`.
	 */

    module.exports = Emitter;

    /**
	 * Initialize a new `Emitter`.
	 * 
	 * @api public
	 */

    function Emitter(obj) {
        if (obj) return mixin(obj);
    };

    /**
	 * Mixin the emitter properties.
	 * 
	 * @param {Object}
	 *            obj
	 * @return {Object}
	 * @api private
	 */

    function mixin(obj) {
        for (var key in Emitter.prototype) {
            obj[key] = Emitter.prototype[key];
        }
        return obj;
    }

    /**
	 * Listen on the given `event` with `fn`.
	 * 
	 * @param {String}
	 *            event
	 * @param {Function}
	 *            fn
	 * @return {Emitter}
	 * @api public
	 */

    Emitter.prototype.on =
        Emitter.prototype.addEventListener = function(event, fn){
            this._callbacks = this._callbacks || {};
            (this._callbacks[event] = this._callbacks[event] || [])
                .push(fn);
            return this;
        };

    /**
	 * Adds an `event` listener that will be invoked a single time then
	 * automatically removed.
	 * 
	 * @param {String}
	 *            event
	 * @param {Function}
	 *            fn
	 * @return {Emitter}
	 * @api public
	 */

    Emitter.prototype.once = function(event, fn){
        var self = this;
        this._callbacks = this._callbacks || {};

        function on() {
            self.off(event, on);
            fn.apply(this, arguments);
        }

        on.fn = fn;
        this.on(event, on);
        return this;
    };

    /**
	 * Remove the given callback for `event` or all registered callbacks.
	 * 
	 * @param {String}
	 *            event
	 * @param {Function}
	 *            fn
	 * @return {Emitter}
	 * @api public
	 */

    Emitter.prototype.off =
        Emitter.prototype.removeListener =
            Emitter.prototype.removeAllListeners =
                Emitter.prototype.removeEventListener = function(event, fn){
                    this._callbacks = this._callbacks || {};

                    // all
                    if (0 == arguments.length) {
                        this._callbacks = {};
                        return this;
                    }

                    // specific event
                    var callbacks = this._callbacks[event];
                    if (!callbacks) return this;

                    // remove all handlers
                    if (1 == arguments.length) {
                        delete this._callbacks[event];
                        return this;
                    }

                    // remove specific handler
                    var cb;
                    for (var i = 0; i < callbacks.length; i++) {
                        cb = callbacks[i];
                        if (cb === fn || cb.fn === fn) {
                            callbacks.splice(i, 1);
                            break;
                        }
                    }
                    return this;
                };

    /**
	 * Emit `event` with the given args.
	 * 
	 * @param {String}
	 *            event
	 * @param {Mixed}
	 *            ...
	 * @return {Emitter}
	 */

    Emitter.prototype.emit = function(event){
        this._callbacks = this._callbacks || {};
        var args = [].slice.call(arguments, 1)
            , callbacks = this._callbacks[event];

        if (callbacks) {
            callbacks = callbacks.slice(0);
            for (var i = 0, len = callbacks.length; i < len; ++i) {
                callbacks[i].apply(this, args);
            }
        }

        return this;
    };

    /**
	 * Return array of callbacks for `event`.
	 * 
	 * @param {String}
	 *            event
	 * @return {Array}
	 * @api public
	 */

    Emitter.prototype.listeners = function(event){
        this._callbacks = this._callbacks || {};
        return this._callbacks[event] || [];
    };

    /**
	 * Check if this emitter has `event` handlers.
	 * 
	 * @param {String}
	 *            event
	 * @return {Boolean}
	 * @api public
	 */

    Emitter.prototype.hasListeners = function(event){
        return !! this.listeners(event).length;
    };

},{}],27:[function(_dereq_,module,exports){
    (function (global){
        /**
		 * Module dependencies.
		 */

        var keys = _dereq_('./keys');
        var hasBinary = _dereq_('has-binary');
        var sliceBuffer = _dereq_('arraybuffer.slice');
        var base64encoder = _dereq_('base64-arraybuffer');
        var after = _dereq_('after');
        var utf8 = _dereq_('utf8');

        /**
		 * Check if we are running an android browser. That requires us to use
		 * ArrayBuffer with polling transports...
		 * 
		 * http://ghinda.net/jpeg-blob-ajax-android/
		 */

        var isAndroid = navigator.userAgent.match(/Android/i);

        /**
		 * Check if we are running in PhantomJS. Uploading a Blob with PhantomJS
		 * does not work correctly, as reported here:
		 * https://github.com/ariya/phantomjs/issues/11395
		 * 
		 * @type boolean
		 */
        var isPhantomJS = /PhantomJS/i.test(navigator.userAgent);

        /**
		 * When true, avoids using Blobs to encode payloads.
		 * 
		 * @type boolean
		 */
        var dontSendBlobs = isAndroid || isPhantomJS;

        /**
		 * Current protocol version.
		 */

        exports.protocol = 3;

        /**
		 * Packet types.
		 */

        var packets = exports.packets = {
            open:     0    // non-ws
            , close:    1    // non-ws
            , ping:     2
            , pong:     3
            , message:  4
            , upgrade:  5
            , noop:     6
        };

        var packetslist = keys(packets);

        /**
		 * Premade error packet.
		 */

        var err = { type: 'error', data: 'parser error' };

        /**
		 * Create a blob api even for blob builder when vendor prefixes exist
		 */

        var Blob = _dereq_('blob');

        /**
		 * Encodes a packet.
		 * 
		 * <packet type id> [ <data> ]
		 * 
		 * Example:
		 * 
		 * 5hello world 3 4
		 * 
		 * Binary is encoded in an identical principle
		 * 
		 * @api private
		 */

        exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
            if ('function' == typeof supportsBinary) {
                callback = supportsBinary;
                supportsBinary = false;
            }

            if ('function' == typeof utf8encode) {
                callback = utf8encode;
                utf8encode = null;
            }

            var data = (packet.data === undefined)
                ? undefined
                : packet.data.buffer || packet.data;

            if (global.ArrayBuffer && data instanceof ArrayBuffer) {
                return encodeArrayBuffer(packet, supportsBinary, callback);
            } else if (Blob && data instanceof global.Blob) {
                return encodeBlob(packet, supportsBinary, callback);
            }

            // might be an object with { base64: true, data: dataAsBase64String
			// }
            if (data && data.base64) {
                return encodeBase64Object(packet, callback);
            }

            // Sending data as a utf-8 string
            var encoded = packets[packet.type];

            // data fragment is optional
            if (undefined !== packet.data) {
                encoded += utf8encode ? utf8.encode(String(packet.data)) : String(packet.data);
            }

            return callback('' + encoded);

        };

        function encodeBase64Object(packet, callback) {
            // packet data is an object { base64: true, data: dataAsBase64String
			// }
            var message = 'b' + exports.packets[packet.type] + packet.data.data;
            return callback(message);
        }

        /**
		 * Encode packet helpers for binary types
		 */

        function encodeArrayBuffer(packet, supportsBinary, callback) {
            if (!supportsBinary) {
                return exports.encodeBase64Packet(packet, callback);
            }

            var data = packet.data;
            var contentArray = new Uint8Array(data);
            var resultBuffer = new Uint8Array(1 + data.byteLength);

            resultBuffer[0] = packets[packet.type];
            for (var i = 0; i < contentArray.length; i++) {
                resultBuffer[i+1] = contentArray[i];
            }

            return callback(resultBuffer.buffer);
        }

        function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
            if (!supportsBinary) {
                return exports.encodeBase64Packet(packet, callback);
            }

            var fr = new FileReader();
            fr.onload = function() {
                packet.data = fr.result;
                exports.encodePacket(packet, supportsBinary, true, callback);
            };
            return fr.readAsArrayBuffer(packet.data);
        }

        function encodeBlob(packet, supportsBinary, callback) {
            if (!supportsBinary) {
                return exports.encodeBase64Packet(packet, callback);
            }

            if (dontSendBlobs) {
                return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
            }

            var length = new Uint8Array(1);
            length[0] = packets[packet.type];
            var blob = new Blob([length.buffer, packet.data]);

            return callback(blob);
        }

        /**
		 * Encodes a packet with binary data in a base64 string
		 * 
		 * @param {Object}
		 *            packet, has `type` and `data`
		 * @return {String} base64 encoded message
		 */

        exports.encodeBase64Packet = function(packet, callback) {
            var message = 'b' + exports.packets[packet.type];
            if (Blob && packet.data instanceof global.Blob) {
                var fr = new FileReader();
                fr.onload = function() {
                    var b64 = fr.result.split(',')[1];
                    callback(message + b64);
                };
                return fr.readAsDataURL(packet.data);
            }

            var b64data;
            try {
                b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
            } catch (e) {
                // iPhone Safari doesn't let you apply with typed arrays
                var typed = new Uint8Array(packet.data);
                var basic = new Array(typed.length);
                for (var i = 0; i < typed.length; i++) {
                    basic[i] = typed[i];
                }
                b64data = String.fromCharCode.apply(null, basic);
            }
            message += global.btoa(b64data);
            return callback(message);
        };

        /**
		 * Decodes a packet. Changes format to Blob if requested.
		 * 
		 * @return {Object} with `type` and `data` (if any)
		 * @api private
		 */

        exports.decodePacket = function (data, binaryType, utf8decode) {
            // String data
            if (typeof data == 'string' || data === undefined) {
                if (data.charAt(0) == 'b') {
                    return exports.decodeBase64Packet(data.substr(1), binaryType);
                }

                if (utf8decode) {
                    try {
                        data = utf8.decode(data);
                    } catch (e) {
                        return err;
                    }
                }
                var type = data.charAt(0);

                if (Number(type) != type || !packetslist[type]) {
                    return err;
                }

                if (data.length > 1) {
                    return { type: packetslist[type], data: data.substring(1) };
                } else {
                    return { type: packetslist[type] };
                }
            }

            var asArray = new Uint8Array(data);
            var type = asArray[0];
            asArray=asArray.subarray(1);
            var deflate = new Zlib.RawInflate(asArray);
            var plain = deflate.decompress();
            // ���������ý������� 5
            var rest='2[\"m\",\"';
            var result="";
            for (var i=0; i<plain.byteLength; i++) {
                result += String.fromCharCode(plain[i]);
            }
            result=result.replace(/"/g,'\\"');
            rest=rest+result+'\"]';
            // var rest = sliceBuffer(data, 1);
            // if (Blob && binaryType === 'blob') {
            // rest = new Blob([rest]);
            // }

            return { type: packetslist[type], data: rest };
        };

        /**
		 * Decodes a packet encoded in a base64 string
		 * 
		 * @param {String}
		 *            base64 encoded message
		 * @return {Object} with `type` and `data` (if any)
		 */

        exports.decodeBase64Packet = function(msg, binaryType) {
            var type = packetslist[msg.charAt(0)];
            if (!global.ArrayBuffer) {
                return { type: type, data: { base64: true, data: msg.substr(1) } };
            }

            var data = base64encoder.decode(msg.substr(1));

            if (binaryType === 'blob' && Blob) {
                data = new Blob([data]);
            }

            return { type: type, data: data };
        };

        /**
		 * Encodes multiple messages (payload).
		 * 
		 * <length>:data
		 * 
		 * Example:
		 * 
		 * 11:hello world2:hi
		 * 
		 * If any contents are binary, they will be encoded as base64 strings.
		 * Base64 encoded strings are marked with a b before the length
		 * specifier
		 * 
		 * @param {Array}
		 *            packets
		 * @api private
		 */

        exports.encodePayload = function (packets, supportsBinary, callback) {
            if (typeof supportsBinary == 'function') {
                callback = supportsBinary;
                supportsBinary = null;
            }

            var isBinary = hasBinary(packets);

            if (supportsBinary && isBinary) {
                if (Blob && !dontSendBlobs) {
                    return exports.encodePayloadAsBlob(packets, callback);
                }

                return exports.encodePayloadAsArrayBuffer(packets, callback);
            }

            if (!packets.length) {
                return callback('0:');
            }

            function setLengthHeader(message) {
                return message.length + ':' + message;
            }

            function encodeOne(packet, doneCallback) {
                exports.encodePacket(packet, !isBinary ? false : supportsBinary, true, function(message) {
                    doneCallback(null, setLengthHeader(message));
                });
            }

            map(packets, encodeOne, function(err, results) {
                return callback(results.join(''));
            });
        };

        /**
		 * Async array map using after
		 */

        function map(ary, each, done) {
            var result = new Array(ary.length);
            var next = after(ary.length, done);

            var eachWithIndex = function(i, el, cb) {
                each(el, function(error, msg) {
                    result[i] = msg;
                    cb(error, result);
                });
            };

            for (var i = 0; i < ary.length; i++) {
                eachWithIndex(i, ary[i], next);
            }
        }

        /*
		 * Decodes data when a payload is maybe expected. Possible binary
		 * contents are decoded from their base64 representation
		 * 
		 * @param {String} data, callback method @api public
		 */

        exports.decodePayload = function (data, binaryType, callback) {
            if (typeof data != 'string') {
                return exports.decodePayloadAsBinary(data, binaryType, callback);
            }

            if (typeof binaryType === 'function') {
                callback = binaryType;
                binaryType = null;
            }

            var packet;
            if (data == '') {
                // parser error - ignoring payload
                return callback(err, 0, 1);
            }

            var length = ''
                , n, msg;

            for (var i = 0, l = data.length; i < l; i++) {
                var chr = data.charAt(i);

                if (':' != chr) {
                    length += chr;
                } else {
                    if ('' == length || (length != (n = Number(length)))) {
                        // parser error - ignoring payload
                        return callback(err, 0, 1);
                    }

                    msg = data.substr(i + 1, n);

                    if (length != msg.length) {
                        // parser error - ignoring payload
                        return callback(err, 0, 1);
                    }

                    if (msg.length) {
                        packet = exports.decodePacket(msg, binaryType, true);

                        if (err.type == packet.type && err.data == packet.data) {
                            // parser error in individual packet - ignoring
							// payload
                            return callback(err, 0, 1);
                        }

                        var ret = callback(packet, i + n, l);
                        if (false === ret) return;
                    }

                    // advance cursor
                    i += n;
                    length = '';
                }
            }

            if (length != '') {
                // parser error - ignoring payload
                return callback(err, 0, 1);
            }

        };

        /**
		 * Encodes multiple messages (payload) as binary.
		 * 
		 * <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
		 * 255><data>
		 * 
		 * Example: 1 3 255 1 2 3, if the binary contents are interpreted as 8
		 * bit integers
		 * 
		 * @param {Array}
		 *            packets
		 * @return {ArrayBuffer} encoded payload
		 * @api private
		 */

        exports.encodePayloadAsArrayBuffer = function(packets, callback) {
            if (!packets.length) {
                return callback(new ArrayBuffer(0));
            }

            function encodeOne(packet, doneCallback) {
                exports.encodePacket(packet, true, true, function(data) {
                    return doneCallback(null, data);
                });
            }

            map(packets, encodeOne, function(err, encodedPackets) {
                var totalLength = encodedPackets.reduce(function(acc, p) {
                    var len;
                    if (typeof p === 'string'){
                        len = p.length;
                    } else {
                        len = p.byteLength;
                    }
                    return acc + len.toString().length + len + 2; // string/binary
																	// identifier
																	// +
																	// separator
																	// = 2
                }, 0);

                var resultArray = new Uint8Array(totalLength);

                var bufferIndex = 0;
                encodedPackets.forEach(function(p) {
                    var isString = typeof p === 'string';
                    var ab = p;
                    if (isString) {
                        var view = new Uint8Array(p.length);
                        for (var i = 0; i < p.length; i++) {
                            view[i] = p.charCodeAt(i);
                        }
                        ab = view.buffer;
                    }

                    if (isString) { // not true binary
                        resultArray[bufferIndex++] = 0;
                    } else { // true binary
                        resultArray[bufferIndex++] = 1;
                    }

                    var lenStr = ab.byteLength.toString();
                    for (var i = 0; i < lenStr.length; i++) {
                        resultArray[bufferIndex++] = parseInt(lenStr[i]);
                    }
                    resultArray[bufferIndex++] = 255;

                    var view = new Uint8Array(ab);
                    for (var i = 0; i < view.length; i++) {
                        resultArray[bufferIndex++] = view[i];
                    }
                });

                return callback(resultArray.buffer);
            });
        };

        /**
		 * Encode as Blob
		 */

        exports.encodePayloadAsBlob = function(packets, callback) {
            function encodeOne(packet, doneCallback) {
                exports.encodePacket(packet, true, true, function(encoded) {
                    var binaryIdentifier = new Uint8Array(1);
                    binaryIdentifier[0] = 1;
                    if (typeof encoded === 'string') {
                        var view = new Uint8Array(encoded.length);
                        for (var i = 0; i < encoded.length; i++) {
                            view[i] = encoded.charCodeAt(i);
                        }
                        encoded = view.buffer;
                        binaryIdentifier[0] = 0;
                    }

                    var len = (encoded instanceof ArrayBuffer)
                        ? encoded.byteLength
                        : encoded.size;

                    var lenStr = len.toString();
                    var lengthAry = new Uint8Array(lenStr.length + 1);
                    for (var i = 0; i < lenStr.length; i++) {
                        lengthAry[i] = parseInt(lenStr[i]);
                    }
                    lengthAry[lenStr.length] = 255;

                    if (Blob) {
                        var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
                        doneCallback(null, blob);
                    }
                });
            }

            map(packets, encodeOne, function(err, results) {
                return callback(new Blob(results));
            });
        };

        /*
		 * Decodes data when a payload is maybe expected. Strings are decoded by
		 * interpreting each byte as a key code for entries marked to start with
		 * 0. See description of encodePayloadAsBinary
		 * 
		 * @param {ArrayBuffer} data, callback method @api public
		 */

        exports.decodePayloadAsBinary = function (data, binaryType, callback) {
            if (typeof binaryType === 'function') {
                callback = binaryType;
                binaryType = null;
            }

            var bufferTail = data;
            var buffers = [];

            var numberTooLong = false;
            while (bufferTail.byteLength > 0) {
                var tailArray = new Uint8Array(bufferTail);
                var isString = tailArray[0] === 0;
                var msgLength = '';

                for (var i = 1; ; i++) {
                    if (tailArray[i] == 255) break;

                    if (msgLength.length > 310) {
                        numberTooLong = true;
                        break;
                    }

                    msgLength += tailArray[i];
                }

                if(numberTooLong) return callback(err, 0, 1);

                bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
                msgLength = parseInt(msgLength);

                var msg = sliceBuffer(bufferTail, 0, msgLength);
                if (isString) {
                    try {
                        msg = String.fromCharCode.apply(null, new Uint8Array(msg));
                    } catch (e) {
                        // iPhone Safari doesn't let you apply to typed arrays
                        var typed = new Uint8Array(msg);
                        msg = '';
                        for (var i = 0; i < typed.length; i++) {
                            msg += String.fromCharCode(typed[i]);
                        }
                    }
                }

                buffers.push(msg);
                bufferTail = sliceBuffer(bufferTail, msgLength);
            }

            var total = buffers.length;
            buffers.forEach(function(buffer, i) {
                callback(exports.decodePacket(buffer, binaryType, true), i, total);
            });
        };

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./keys":28,"after":6,"arraybuffer.slice":7,"base64-arraybuffer":9,"blob":10,"has-binary":29,"utf8":45}],28:[function(_dereq_,module,exports){

    /**
	 * Gets the keys for an object.
	 * 
	 * @return {Array} keys
	 * @api private
	 */

    module.exports = Object.keys || function keys (obj){
            var arr = [];
            var has = Object.prototype.hasOwnProperty;

            for (var i in obj) {
                if (has.call(obj, i)) {
                    arr.push(i);
                }
            }
            return arr;
        };

},{}],29:[function(_dereq_,module,exports){
    (function (global){

        /*
		 * Module requirements.
		 */

        var isArray = _dereq_('isarray');

        /**
		 * Module exports.
		 */

        module.exports = hasBinary;

        /**
		 * Checks for binary data.
		 * 
		 * Right now only Buffer and ArrayBuffer are supported..
		 * 
		 * @param {Object}
		 *            anything
		 * @api public
		 */

        function hasBinary(data) {

            function _hasBinary(obj) {
                if (!obj) return false;

                if ( (global.Buffer && global.Buffer.isBuffer(obj)) ||
                    (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
                    (global.Blob && obj instanceof Blob) ||
                    (global.File && obj instanceof File)
                ) {
                    return true;
                }

                if (isArray(obj)) {
                    for (var i = 0; i < obj.length; i++) {
                        if (_hasBinary(obj[i])) {
                            return true;
                        }
                    }
                } else if (obj && 'object' == typeof obj) {
                    if (obj.toJSON) {
                        obj = obj.toJSON();
                    }

                    for (var key in obj) {
                        if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
                            return true;
                        }
                    }
                }

                return false;
            }

            return _hasBinary(data);
        }

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"isarray":34}],30:[function(_dereq_,module,exports){

    /**
	 * Returns `this`. Execute this without a "context" (i.e. without it being
	 * attached to an object of the left-hand side), and `this` points to the
	 * "global" scope of the current JS execution.
	 */

    module.exports = (function () { return this; })();

},{}],31:[function(_dereq_,module,exports){
    (function (global){

        /*
		 * Module requirements.
		 */

        var isArray = _dereq_('isarray');

        /**
		 * Module exports.
		 */

        module.exports = hasBinary;

        /**
		 * Checks for binary data.
		 * 
		 * Right now only Buffer and ArrayBuffer are supported..
		 * 
		 * @param {Object}
		 *            anything
		 * @api public
		 */

        function hasBinary(data) {

            function _hasBinary(obj) {
                if (!obj) return false;

                if ( (global.Buffer && global.Buffer.isBuffer && global.Buffer.isBuffer(obj)) ||
                    (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
                    (global.Blob && obj instanceof Blob) ||
                    (global.File && obj instanceof File)
                ) {
                    return true;
                }

                if (isArray(obj)) {
                    for (var i = 0; i < obj.length; i++) {
                        if (_hasBinary(obj[i])) {
                            return true;
                        }
                    }
                } else if (obj && 'object' == typeof obj) {
                    // see: https://github.com/Automattic/has-binary/pull/4
                    if (obj.toJSON && 'function' == typeof obj.toJSON) {
                        obj = obj.toJSON();
                    }

                    for (var key in obj) {
                        if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
                            return true;
                        }
                    }
                }

                return false;
            }

            return _hasBinary(data);
        }

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"isarray":34}],32:[function(_dereq_,module,exports){

    /**
	 * Module dependencies.
	 */

    var global = _dereq_('global');

    /**
	 * Module exports.
	 * 
	 * Logic borrowed from Modernizr: -
	 * https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
	 */

    try {
        module.exports = 'XMLHttpRequest' in global &&
            'withCredentials' in new global.XMLHttpRequest();
    } catch (err) {
        // if XMLHttp support is disabled in IE then it will throw
        // when trying to create
        module.exports = false;
    }

},{"global":30}],33:[function(_dereq_,module,exports){

    var indexOf = [].indexOf;

    module.exports = function(arr, obj){
        if (indexOf) return arr.indexOf(obj);
        for (var i = 0; i < arr.length; ++i) {
            if (arr[i] === obj) return i;
        }
        return -1;
    };
},{}],34:[function(_dereq_,module,exports){
    module.exports = Array.isArray || function (arr) {
            return Object.prototype.toString.call(arr) == '[object Array]';
        };

},{}],35:[function(_dereq_,module,exports){
    (function (global){
        /*
		 * ! JSON v3.3.2 | http://bestiejs.github.io/json3 | Copyright
		 * 2012-2014, Kit Cambridge | http://kit.mit-license.org
		 */
        ;(function () {
            // Detect the `define` function exposed by asynchronous module
			// loaders. The
            // strict `define` check is necessary for compatibility with `r.js`.
            var isLoader = typeof define === "function" && define.amd;

            // A set of types used to distinguish objects from primitives.
            var objectTypes = {
                "function": true,
                "object": true
            };

            // Detect the `exports` object exposed by CommonJS implementations.
            var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;

            // Use the `global` object exposed by Node (including Browserify via
            // `insert-module-globals`), Narwhal, and Ringo as the default
			// context,
            // and the `window` object in browsers. Rhino exports a `global`
			// function
            // instead.
            var root = objectTypes[typeof window] && window || this,
                freeGlobal = freeExports && objectTypes[typeof module] && module && !module.nodeType && typeof global == "object" && global;

            if (freeGlobal && (freeGlobal["global"] === freeGlobal || freeGlobal["window"] === freeGlobal || freeGlobal["self"] === freeGlobal)) {
                root = freeGlobal;
            }

            // Public: Initializes JSON 3 using the given `context` object,
			// attaching the
            // `stringify` and `parse` functions to the specified `exports`
			// object.
            function runInContext(context, exports) {
                context || (context = root["Object"]());
                exports || (exports = root["Object"]());

                // Native constructor aliases.
                var Number = context["Number"] || root["Number"],
                    String = context["String"] || root["String"],
                    Object = context["Object"] || root["Object"],
                    Date = context["Date"] || root["Date"],
                    SyntaxError = context["SyntaxError"] || root["SyntaxError"],
                    TypeError = context["TypeError"] || root["TypeError"],
                    Math = context["Math"] || root["Math"],
                    nativeJSON = context["JSON"] || root["JSON"];

                // Delegate to the native `stringify` and `parse`
				// implementations.
                if (typeof nativeJSON == "object" && nativeJSON) {
                    exports.stringify = nativeJSON.stringify;
                    exports.parse = nativeJSON.parse;
                }

                // Convenience aliases.
                var objectProto = Object.prototype,
                    getClass = objectProto.toString,
                    isProperty, forEach, undef;

                // Test the `Date#getUTC*` methods. Based on work by @Yaffle.
                var isExtended = new Date(-3509827334573292);
                try {
                    // The `getUTCFullYear`, `Month`, and `Date` methods return
					// nonsensical
                    // results for certain dates in Opera >= 10.53.
                    isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
                            // Safari < 2.0.2 stores the internal millisecond
							// time value correctly,
                            // but clips the values returned by the date methods
							// to the range of
                            // signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
                        isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
                } catch (exception) {}

                // Internal: Determines whether the native `JSON.stringify` and
				// `parse`
                // implementations are spec-compliant. Based on work by Ken
				// Snyder.
                function has(name) {
                    if (has[name] !== undef) {
                        // Return cached feature test result.
                        return has[name];
                    }
                    var isSupported;
                    if (name == "bug-string-char-index") {
                        // IE <= 7 doesn't support accessing string characters
						// using square
                        // bracket notation. IE 8 only supports this for
						// primitives.
                        isSupported = "a"[0] != "a";
                    } else if (name == "json") {
                        // Indicates whether both `JSON.stringify` and
						// `JSON.parse` are
                        // supported.
                        isSupported = has("json-stringify") && has("json-parse");
                    } else {
                        var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
                        // Test `JSON.stringify`.
                        if (name == "json-stringify") {
                            var stringify = exports.stringify, stringifySupported = typeof stringify == "function" && isExtended;
                            if (stringifySupported) {
                                // A test function object with a custom `toJSON`
								// method.
                                (value = function () {
                                    return 1;
                                }).toJSON = value;
                                try {
                                    stringifySupported =
                                        // Firefox 3.1b1 and b2 serialize
										// string, number, and boolean
                                        // primitives as object literals.
                                        stringify(0) === "0" &&
                                            // FF 3.1b1, b2, and JSON 2
											// serialize wrapped primitives as
											// object
                                            // literals.
                                        stringify(new Number()) === "0" &&
                                        stringify(new String()) == '""' &&
                                            // FF 3.1b1, 2 throw an error if the
											// value is `null`, `undefined`, or
                                            // does not define a canonical JSON
											// representation (this applies to
                                            // objects with `toJSON` properties
											// as well, *unless* they are nested
                                            // within an object or array).
                                        stringify(getClass) === undef &&
                                            // IE 8 serializes `undefined` as
											// `"undefined"`. Safari <= 5.1.7
											// and
                                            // FF 3.1b3 pass this test.
                                        stringify(undef) === undef &&
                                            // Safari <= 5.1.7 and FF 3.1b3
											// throw `Error`s and `TypeError`s,
                                            // respectively, if the value is
											// omitted entirely.
                                        stringify() === undef &&
                                            // FF 3.1b1, 2 throw an error if the
											// given value is not a number,
                                            // string, array, object, Boolean,
											// or `null` literal. This applies
											// to
                                            // objects with custom `toJSON`
											// methods as well, unless they are
											// nested
                                            // inside object or array literals.
											// YUI 3.0.0b1 ignores custom
											// `toJSON`
                                            // methods entirely.
                                        stringify(value) === "1" &&
                                        stringify([value]) == "[1]" &&
                                            // Prototype <= 1.6.1 serializes
											// `[undefined]` as `"[]"` instead
											// of
                                            // `"[null]"`.
                                        stringify([undef]) == "[null]" &&
                                            // YUI 3.0.0b1 fails to serialize
											// `null` literals.
                                        stringify(null) == "null" &&
                                            // FF 3.1b1, 2 halts serialization
											// if an array contains a function:
                                            // `[1, true, getClass, 1]`
											// serializes as "[1,true,],". FF
											// 3.1b3
                                            // elides non-JSON values from
											// objects and arrays, unless they
                                            // define custom `toJSON` methods.
                                        stringify([undef, getClass, null]) == "[null,null,null]" &&
                                            // Simple serialization test. FF
											// 3.1b1 uses Unicode escape
											// sequences
                                            // where character escape codes are
											// expected (e.g., `\b` =>
											// `\u0008`).
                                        stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
                                            // FF 3.1b1 and b2 ignore the
											// `filter` and `width` arguments.
                                        stringify(null, value) === "1" &&
                                        stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
                                            // JSON 2, Prototype <= 1.7, and
											// older WebKit builds incorrectly
                                            // serialize extended years.
                                        stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
                                            // The milliseconds are optional in
											// ES 5, but required in 5.1.
                                        stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
                                            // Firefox <= 11.0 incorrectly
											// serializes years prior to 0 as
											// negative
                                            // four-digit years instead of
											// six-digit years. Credits:
											// @Yaffle.
                                        stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
                                            // Safari <= 5.1.5 and Opera >=
											// 10.53 incorrectly serialize
											// millisecond
                                            // values less than 1000. Credits:
											// @Yaffle.
                                        stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
                                } catch (exception) {
                                    stringifySupported = false;
                                }
                            }
                            isSupported = stringifySupported;
                        }
                        // Test `JSON.parse`.
                        if (name == "json-parse") {
                            var parse = exports.parse;
                            if (typeof parse == "function") {
                                try {
                                    // FF 3.1b1, b2 will throw an exception if a
									// bare literal is provided.
                                    // Conforming implementations should also
									// coerce the initial argument to
                                    // a string prior to parsing.
                                    if (parse("0") === 0 && !parse(false)) {
                                        // Simple parsing test.
                                        value = parse(serialized);
                                        var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
                                        if (parseSupported) {
                                            try {
                                                // Safari <= 5.1.2 and FF 3.1b1
												// allow unescaped tabs in
												// strings.
                                                parseSupported = !parse('"\t"');
                                            } catch (exception) {}
                                            if (parseSupported) {
                                                try {
                                                    // FF 4.0 and 4.0.1 allow
													// leading `+` signs and
													// leading
                                                    // decimal points. FF 4.0,
													// 4.0.1, and IE 9-10 also
													// allow
                                                    // certain octal literals.
                                                    parseSupported = parse("01") !== 1;
                                                } catch (exception) {}
                                            }
                                            if (parseSupported) {
                                                try {
                                                    // FF 4.0, 4.0.1, and Rhino
													// 1.7R3-R4 allow trailing
													// decimal
                                                    // points. These
													// environments, along with
													// FF 3.1b1 and 2,
                                                    // also allow trailing
													// commas in JSON objects
													// and arrays.
                                                    parseSupported = parse("1.") !== 1;
                                                } catch (exception) {}
                                            }
                                        }
                                    }
                                } catch (exception) {
                                    parseSupported = false;
                                }
                            }
                            isSupported = parseSupported;
                        }
                    }
                    return has[name] = !!isSupported;
                }

                if (!has("json")) {
                    // Common `[[Class]]` name aliases.
                    var functionClass = "[object Function]",
                        dateClass = "[object Date]",
                        numberClass = "[object Number]",
                        stringClass = "[object String]",
                        arrayClass = "[object Array]",
                        booleanClass = "[object Boolean]";

                    // Detect incomplete support for accessing string characters
					// by index.
                    var charIndexBuggy = has("bug-string-char-index");

                    // Define additional utility methods if the `Date` methods
					// are buggy.
                    if (!isExtended) {
                        var floor = Math.floor;
                        // A mapping between the months of the year and the
						// number of days between
                        // January 1st and the first of the respective month.
                        var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
                        // Internal: Calculates the number of days between the
						// Unix epoch and the
                        // first day of the given month.
                        var getDay = function (year, month) {
                            return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
                        };
                    }

                    // Internal: Determines if a property is a direct property
					// of the given
                    // object. Delegates to the native `Object#hasOwnProperty`
					// method.
                    if (!(isProperty = objectProto.hasOwnProperty)) {
                        isProperty = function (property) {
                            var members = {}, constructor;
                            if ((members.__proto__ = null, members.__proto__ = {
                                    // The *proto* property cannot be set
									// multiple times in recent
                                    // versions of Firefox and SeaMonkey.
                                    "toString": 1
                                }, members).toString != getClass) {
                                // Safari <= 2.0.3 doesn't implement
								// `Object#hasOwnProperty`, but
                                // supports the mutable *proto* property.
                                isProperty = function (property) {
                                    // Capture and break the object's prototype
									// chain (see section 8.6.2
                                    // of the ES 5.1 spec). The parenthesized
									// expression prevents an
                                    // unsafe transformation by the Closure
									// Compiler.
                                    var original = this.__proto__, result = property in (this.__proto__ = null, this);
                                    // Restore the original prototype chain.
                                    this.__proto__ = original;
                                    return result;
                                };
                            } else {
                                // Capture a reference to the top-level `Object`
								// constructor.
                                constructor = members.constructor;
                                // Use the `constructor` property to simulate
								// `Object#hasOwnProperty` in
                                // other environments.
                                isProperty = function (property) {
                                    var parent = (this.constructor || constructor).prototype;
                                    return property in this && !(property in parent && this[property] === parent[property]);
                                };
                            }
                            members = null;
                            return isProperty.call(this, property);
                        };
                    }

                    // Internal: Normalizes the `for...in` iteration algorithm
					// across
                    // environments. Each enumerated key is yielded to a
					// `callback` function.
                    forEach = function (object, callback) {
                        var size = 0, Properties, members, property;

                        // Tests for bugs in the current environment's
						// `for...in` algorithm. The
                        // `valueOf` property inherits the non-enumerable flag
						// from
                        // `Object.prototype` in older versions of IE, Netscape,
						// and Mozilla.
                        (Properties = function () {
                            this.valueOf = 0;
                        }).prototype.valueOf = 0;

                        // Iterate over a new instance of the `Properties`
						// class.
                        members = new Properties();
                        for (property in members) {
                            // Ignore all properties inherited from
							// `Object.prototype`.
                            if (isProperty.call(members, property)) {
                                size++;
                            }
                        }
                        Properties = members = null;

                        // Normalize the iteration algorithm.
                        if (!size) {
                            // A list of non-enumerable properties inherited
							// from `Object.prototype`.
                            members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
                            // IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore
							// shadowed non-enumerable
                            // properties.
                            forEach = function (object, callback) {
                                var isFunction = getClass.call(object) == functionClass, property, length;
                                var hasProperty = !isFunction && typeof object.constructor != "function" && objectTypes[typeof object.hasOwnProperty] && object.hasOwnProperty || isProperty;
                                for (property in object) {
                                    // Gecko <= 1.0 enumerates the `prototype`
									// property of functions under
                                    // certain conditions; IE does not.
                                    if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
                                        callback(property);
                                    }
                                }
                                // Manually invoke the callback for each
								// non-enumerable property.
                                for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
                            };
                        } else if (size == 2) {
                            // Safari <= 2.0.4 enumerates shadowed properties
							// twice.
                            forEach = function (object, callback) {
                                // Create a set of iterated properties.
                                var members = {}, isFunction = getClass.call(object) == functionClass, property;
                                for (property in object) {
                                    // Store each property name to prevent
									// double enumeration. The
                                    // `prototype` property of functions is not
									// enumerated due to cross-
                                    // environment inconsistencies.
                                    if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
                                        callback(property);
                                    }
                                }
                            };
                        } else {
                            // No bugs detected; use the standard `for...in`
							// algorithm.
                            forEach = function (object, callback) {
                                var isFunction = getClass.call(object) == functionClass, property, isConstructor;
                                for (property in object) {
                                    if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
                                        callback(property);
                                    }
                                }
                                // Manually invoke the callback for the
								// `constructor` property due to
                                // cross-environment inconsistencies.
                                if (isConstructor || isProperty.call(object, (property = "constructor"))) {
                                    callback(property);
                                }
                            };
                        }
                        return forEach(object, callback);
                    };

                    // Public: Serializes a JavaScript `value` as a JSON string.
					// The optional
                    // `filter` argument may specify either a function that
					// alters how object and
                    // array members are serialized, or an array of strings and
					// numbers that
                    // indicates which properties should be serialized. The
					// optional `width`
                    // argument may be either a string or number that specifies
					// the indentation
                    // level of the output.
                    if (!has("json-stringify")) {
                        // Internal: A map of control characters and their
						// escaped equivalents.
                        var Escapes = {
                            92: "\\\\",
                            34: '\\"',
                            8: "\\b",
                            12: "\\f",
                            10: "\\n",
                            13: "\\r",
                            9: "\\t"
                        };

                        // Internal: Converts `value` into a zero-padded string
						// such that its
                        // length is at least equal to `width`. The `width` must
						// be <= 6.
                        var leadingZeroes = "000000";
                        var toPaddedString = function (width, value) {
                            // The `|| 0` expression is necessary to work around
							// a bug in
                            // Opera <= 7.54u2 where `0 == -0`, but `String(-0)
							// !== "0"`.
                            return (leadingZeroes + (value || 0)).slice(-width);
                        };

                        // Internal: Double-quotes a string `value`, replacing
						// all ASCII control
                        // characters (characters with code unit values between
						// 0 and 31) with
                        // their escaped equivalents. This is an implementation
						// of the
                        // `Quote(value)` operation defined in ES 5.1 section
						// 15.12.3.
                        var unicodePrefix = "\\u00";
                        var quote = function (value) {
                            var result = '"', index = 0, length = value.length, useCharIndex = !charIndexBuggy || length > 10;
                            var symbols = useCharIndex && (charIndexBuggy ? value.split("") : value);
                            for (; index < length; index++) {
                                var charCode = value.charCodeAt(index);
                                // If the character is a control character,
								// append its Unicode or
                                // shorthand escape sequence; otherwise, append
								// the character as-is.
                                switch (charCode) {
                                    case 8: case 9: case 10: case 12: case 13: case 34: case 92:
                                    result += Escapes[charCode];
                                    break;
                                    default:
                                        if (charCode < 32) {
                                            result += unicodePrefix + toPaddedString(2, charCode.toString(16));
                                            break;
                                        }
                                        result += useCharIndex ? symbols[index] : value.charAt(index);
                                }
                            }
                            return result + '"';
                        };

                        // Internal: Recursively serializes an object.
						// Implements the
                        // `Str(key, holder)`, `JO(value)`, and `JA(value)`
						// operations.
                        var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
                            var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
                            try {
                                // Necessary for host object support.
                                value = object[property];
                            } catch (exception) {}
                            if (typeof value == "object" && value) {
                                className = getClass.call(value);
                                if (className == dateClass && !isProperty.call(value, "toJSON")) {
                                    if (value > -1 / 0 && value < 1 / 0) {
                                        // Dates are serialized according to the
										// `Date#toJSON` method
                                        // specified in ES 5.1 section
										// 15.9.5.44. See section 15.9.1.15
                                        // for the ISO 8601 date time string
										// format.
                                        if (getDay) {
                                            // Manually compute the year, month,
											// date, hours, minutes,
                                            // seconds, and milliseconds if the
											// `getUTC*` methods are
                                            // buggy. Adapted from @Yaffle's
											// `date-shim` project.
                                            date = floor(value / 864e5);
                                            for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
                                            for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
                                            date = 1 + date - getDay(year, month);
                                            // The `time` value specifies the
											// time within the day (see ES
                                            // 5.1 section 15.9.1.2). The
											// formula `(A % B + B) % B` is used
                                            // to compute `A modulo B`, as the
											// `%` operator does not
                                            // correspond to the `modulo`
											// operation for negative numbers.
                                            time = (value % 864e5 + 864e5) % 864e5;
                                            // The hours, minutes, seconds, and
											// milliseconds are obtained by
                                            // decomposing the time within the
											// day. See section 15.9.1.10.
                                            hours = floor(time / 36e5) % 24;
                                            minutes = floor(time / 6e4) % 60;
                                            seconds = floor(time / 1e3) % 60;
                                            milliseconds = time % 1e3;
                                        } else {
                                            year = value.getUTCFullYear();
                                            month = value.getUTCMonth();
                                            date = value.getUTCDate();
                                            hours = value.getUTCHours();
                                            minutes = value.getUTCMinutes();
                                            seconds = value.getUTCSeconds();
                                            milliseconds = value.getUTCMilliseconds();
                                        }
                                        // Serialize extended years correctly.
                                        value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
                                            "-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
                                                // Months, dates, hours,
												// minutes, and seconds should
												// have two
                                                // digits; milliseconds should
												// have three.
                                            "T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
                                                // Milliseconds are optional in
												// ES 5.0, but required in 5.1.
                                            "." + toPaddedString(3, milliseconds) + "Z";
                                    } else {
                                        value = null;
                                    }
                                } else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
                                    // Prototype <= 1.6.1 adds non-standard
									// `toJSON` methods to the
                                    // `Number`, `String`, `Date`, and `Array`
									// prototypes. JSON 3
                                    // ignores all `toJSON` methods on these
									// objects unless they are
                                    // defined directly on an instance.
                                    value = value.toJSON(property);
                                }
                            }
                            if (callback) {
                                // If a replacement function was provided, call
								// it to obtain the value
                                // for serialization.
                                value = callback.call(object, property, value);
                            }
                            if (value === null) {
                                return "null";
                            }
                            className = getClass.call(value);
                            if (className == booleanClass) {
                                // Booleans are represented literally.
                                return "" + value;
                            } else if (className == numberClass) {
                                // JSON numbers must be finite. `Infinity` and
								// `NaN` are serialized as
                                // `"null"`.
                                return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
                            } else if (className == stringClass) {
                                // Strings are double-quoted and escaped.
                                return quote("" + value);
                            }
                            // Recursively serialize objects and arrays.
                            if (typeof value == "object") {
                                // Check for cyclic structures. This is a linear
								// search; performance
                                // is inversely proportional to the number of
								// unique nested objects.
                                for (length = stack.length; length--;) {
                                    if (stack[length] === value) {
                                        // Cyclic structures cannot be
										// serialized by `JSON.stringify`.
                                        throw TypeError();
                                    }
                                }
                                // Add the object to the stack of traversed
								// objects.
                                stack.push(value);
                                results = [];
                                // Save the current indentation level and indent
								// one additional level.
                                prefix = indentation;
                                indentation += whitespace;
                                if (className == arrayClass) {
                                    // Recursively serialize array elements.
                                    for (index = 0, length = value.length; index < length; index++) {
                                        element = serialize(index, value, callback, properties, whitespace, indentation, stack);
                                        results.push(element === undef ? "null" : element);
                                    }
                                    result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
                                } else {
                                    // Recursively serialize object members.
									// Members are selected from
                                    // either a user-specified list of property
									// names, or the object
                                    // itself.
                                    forEach(properties || value, function (property) {
                                        var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
                                        if (element !== undef) {
                                            // According to ES 5.1 section
											// 15.12.3: "If `gap` {whitespace}
                                            // is not the empty string, let
											// `member` {quote(property) + ":"}
                                            // be the concatenation of `member`
											// and the `space` character."
                                            // The "`space` character" refers to
											// the literal space
                                            // character, not the `space`
											// {width} argument provided to
                                            // `JSON.stringify`.
                                            results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
                                        }
                                    });
                                    result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
                                }
                                // Remove the object from the traversed object
								// stack.
                                stack.pop();
                                return result;
                            }
                        };

                        // Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
                        exports.stringify = function (source, filter, width) {
                            var whitespace, callback, properties, className;
                            if (objectTypes[typeof filter] && filter) {
                                if ((className = getClass.call(filter)) == functionClass) {
                                    callback = filter;
                                } else if (className == arrayClass) {
                                    // Convert the property names array into a
									// makeshift set.
                                    properties = {};
                                    for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
                                }
                            }
                            if (width) {
                                if ((className = getClass.call(width)) == numberClass) {
                                    // Convert the `width` to an integer and
									// create a string containing
                                    // `width` number of space characters.
                                    if ((width -= width % 1) > 0) {
                                        for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
                                    }
                                } else if (className == stringClass) {
                                    whitespace = width.length <= 10 ? width : width.slice(0, 10);
                                }
                            }
                            // Opera <= 7.54u2 discards the values associated
							// with empty string keys
                            // (`""`) only if they are used directly within an
							// object member list
                            // (e.g., `!("" in { "": 1})`).
                            return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
                        };
                    }

                    // Public: Parses a JSON source string.
                    if (!has("json-parse")) {
                        var fromCharCode = String.fromCharCode;

                        // Internal: A map of escaped control characters and
						// their unescaped
                        // equivalents.
                        var Unescapes = {
                            92: "\\",
                            34: '"',
                            47: "/",
                            98: "\b",
                            116: "\t",
                            110: "\n",
                            102: "\f",
                            114: "\r"
                        };

                        // Internal: Stores the parser state.
                        var Index, Source;

                        // Internal: Resets the parser state and throws a
						// `SyntaxError`.
                        var abort = function () {
                            Index = Source = null;
                            throw SyntaxError();
                        };

                        // Internal: Returns the next token, or `"$"` if the
						// parser has reached
                        // the end of the source string. A token may be a
						// string, number, `null`
                        // literal, or Boolean literal.
                        var lex = function () {
                            var source = Source, length = source.length, value, begin, position, isSigned, charCode;
                            while (Index < length) {
                                charCode = source.charCodeAt(Index);
                                switch (charCode) {
                                    case 9: case 10: case 13: case 32:
                                    // Skip whitespace tokens, including tabs,
									// carriage returns, line
                                    // feeds, and space characters.
                                    Index++;
                                    break;
                                    case 123: case 125: case 91: case 93: case 58: case 44:
                                    // Parse a punctuator token (`{`, `}`, `[`,
									// `]`, `:`, or `,`) at
                                    // the current position.
                                    value = charIndexBuggy ? source.charAt(Index) : source[Index];
                                    Index++;
                                    return value;
                                    case 34:
                                        // `"` delimits a JSON string; advance
										// to the next character and
                                        // begin parsing the string. String
										// tokens are prefixed with the
                                        // sentinel `@` character to distinguish
										// them from punctuators and
                                        // end-of-string tokens.
                                        for (value = "@", Index++; Index < length;) {
                                            charCode = source.charCodeAt(Index);
                                            if (charCode < 32) {
                                                // Unescaped ASCII control
												// characters (those with a code
												// unit
                                                // less than the space
												// character) are not permitted.
                                                abort();
                                            } else if (charCode == 92) {
                                                // A reverse solidus (`\`) marks
												// the beginning of an escaped
                                                // control character (including
												// `"`, `\`, and `/`) or Unicode
                                                // escape sequence.
                                                charCode = source.charCodeAt(++Index);
                                                switch (charCode) {
                                                    case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114:
                                                    // Revive escaped control
													// characters.
                                                    value += Unescapes[charCode];
                                                    Index++;
                                                    break;
                                                    case 117:
                                                        // `\u` marks the
														// beginning of a
														// Unicode escape
														// sequence.
                                                        // Advance to the first
														// character and
														// validate the
                                                        // four-digit code
														// point.
                                                        begin = ++Index;
                                                        for (position = Index + 4; Index < position; Index++) {
                                                            charCode = source.charCodeAt(Index);
                                                            // A valid sequence
															// comprises four
															// hexdigits (case-
                                                            // insensitive) that
															// form a single
															// hexadecimal
															// value.
                                                            if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
                                                                // Invalid
																// Unicode
																// escape
																// sequence.
                                                                abort();
                                                            }
                                                        }
                                                        // Revive the escaped
														// character.
                                                        value += fromCharCode("0x" + source.slice(begin, Index));
                                                        break;
                                                    default:
                                                        // Invalid escape
														// sequence.
                                                        abort();
                                                }
                                            } else {
                                                if (charCode == 34) {
                                                    // An unescaped double-quote
													// character marks the end
													// of the
                                                    // string.
                                                    break;
                                                }
                                                charCode = source.charCodeAt(Index);
                                                begin = Index;
                                                // Optimize for the common case
												// where a string is valid.
                                                while (charCode >= 32 && charCode != 92 && charCode != 34) {
                                                    charCode = source.charCodeAt(++Index);
                                                }
                                                // Append the string as-is.
                                                value += source.slice(begin, Index);
                                            }
                                        }
                                        if (source.charCodeAt(Index) == 34) {
                                            // Advance to the next character and
											// return the revived string.
                                            Index++;
                                            return value;
                                        }
                                        // Unterminated string.
                                        abort();
                                    default:
                                        // Parse numbers and literals.
                                        begin = Index;
                                        // Advance past the negative sign, if
										// one is specified.
                                        if (charCode == 45) {
                                            isSigned = true;
                                            charCode = source.charCodeAt(++Index);
                                        }
                                        // Parse an integer or floating-point
										// value.
                                        if (charCode >= 48 && charCode <= 57) {
                                            // Leading zeroes are interpreted as
											// octal literals.
                                            if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
                                                // Illegal octal literal.
                                                abort();
                                            }
                                            isSigned = false;
                                            // Parse the integer component.
                                            for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
                                            // Floats cannot contain a leading
											// decimal point; however, this
                                            // case is already accounted for by
											// the parser.
                                            if (source.charCodeAt(Index) == 46) {
                                                position = ++Index;
                                                // Parse the decimal component.
                                                for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
                                                if (position == Index) {
                                                    // Illegal trailing decimal.
                                                    abort();
                                                }
                                                Index = position;
                                            }
                                            // Parse exponents. The `e` denoting
											// the exponent is
                                            // case-insensitive.
                                            charCode = source.charCodeAt(Index);
                                            if (charCode == 101 || charCode == 69) {
                                                charCode = source.charCodeAt(++Index);
                                                // Skip past the sign following
												// the exponent, if one is
                                                // specified.
                                                if (charCode == 43 || charCode == 45) {
                                                    Index++;
                                                }
                                                // Parse the exponential
												// component.
                                                for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
                                                if (position == Index) {
                                                    // Illegal empty exponent.
                                                    abort();
                                                }
                                                Index = position;
                                            }
                                            // Coerce the parsed value to a
											// JavaScript number.
                                            return +source.slice(begin, Index);
                                        }
                                        // A negative sign may only precede
										// numbers.
                                        if (isSigned) {
                                            abort();
                                        }
                                        // `true`, `false`, and `null` literals.
                                        if (source.slice(Index, Index + 4) == "true") {
                                            Index += 4;
                                            return true;
                                        } else if (source.slice(Index, Index + 5) == "false") {
                                            Index += 5;
                                            return false;
                                        } else if (source.slice(Index, Index + 4) == "null") {
                                            Index += 4;
                                            return null;
                                        }
                                        // Unrecognized token.
                                        abort();
                                }
                            }
                            // Return the sentinel `$` character if the parser
							// has reached the end
                            // of the source string.
                            return "$";
                        };

                        // Internal: Parses a JSON `value` token.
                        var get = function (value) {
                            var results, hasMembers;
                            if (value == "$") {
                                // Unexpected end of input.
                                abort();
                            }
                            if (typeof value == "string") {
                                if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
                                    // Remove the sentinel `@` character.
                                    return value.slice(1);
                                }
                                // Parse object and array literals.
                                if (value == "[") {
                                    // Parses a JSON array, returning a new
									// JavaScript array.
                                    results = [];
                                    for (;; hasMembers || (hasMembers = true)) {
                                        value = lex();
                                        // A closing square bracket marks the
										// end of the array literal.
                                        if (value == "]") {
                                            break;
                                        }
                                        // If the array literal contains
										// elements, the current token
                                        // should be a comma separating the
										// previous element from the
                                        // next.
                                        if (hasMembers) {
                                            if (value == ",") {
                                                value = lex();
                                                if (value == "]") {
                                                    // Unexpected trailing `,`
													// in array literal.
                                                    abort();
                                                }
                                            } else {
                                                // A `,` must separate each
												// array element.
                                                abort();
                                            }
                                        }
                                        // Elisions and leading commas are not
										// permitted.
                                        if (value == ",") {
                                            abort();
                                        }
                                        results.push(get(value));
                                    }
                                    return results;
                                } else if (value == "{") {
                                    // Parses a JSON object, returning a new
									// JavaScript object.
                                    results = {};
                                    for (;; hasMembers || (hasMembers = true)) {
                                        value = lex();
                                        // A closing curly brace marks the end
										// of the object literal.
                                        if (value == "}") {
                                            break;
                                        }
                                        // If the object literal contains
										// members, the current token
                                        // should be a comma separator.
                                        if (hasMembers) {
                                            if (value == ",") {
                                                value = lex();
                                                if (value == "}") {
                                                    // Unexpected trailing `,`
													// in object literal.
                                                    abort();
                                                }
                                            } else {
                                                // A `,` must separate each
												// object member.
                                                abort();
                                            }
                                        }
                                        // Leading commas are not permitted,
										// object property names must be
                                        // double-quoted strings, and a `:` must
										// separate each property
                                        // name and value.
                                        if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
                                            abort();
                                        }
                                        results[value.slice(1)] = get(lex());
                                    }
                                    return results;
                                }
                                // Unexpected token encountered.
                                abort();
                            }
                            return value;
                        };

                        // Internal: Updates a traversed object member.
                        var update = function (source, property, callback) {
                            var element = walk(source, property, callback);
                            if (element === undef) {
                                delete source[property];
                            } else {
                                source[property] = element;
                            }
                        };

                        // Internal: Recursively traverses a parsed JSON object,
						// invoking the
                        // `callback` function for each value. This is an
						// implementation of the
                        // `Walk(holder, name)` operation defined in ES 5.1
						// section 15.12.2.
                        var walk = function (source, property, callback) {
                            var value = source[property], length;
                            if (typeof value == "object" && value) {
                                // `forEach` can't be used to traverse an array
								// in Opera <= 8.54
                                // because its `Object#hasOwnProperty`
								// implementation returns `false`
                                // for array indices (e.g., `![1, 2,
								// 3].hasOwnProperty("0")`).
                                if (getClass.call(value) == arrayClass) {
                                    for (length = value.length; length--;) {
                                        update(value, length, callback);
                                    }
                                } else {
                                    forEach(value, function (property) {
                                        update(value, property, callback);
                                    });
                                }
                            }
                            return callback.call(source, property, value);
                        };

                        // Public: `JSON.parse`. See ES 5.1 section 15.12.2.
                        exports.parse = function (source, callback) {
                            var result, value;
                            Index = 0;
                            Source = "" + source;
                            result = get(lex());
                            // If a JSON string contains multiple tokens, it is
							// invalid.
                            if (lex() != "$") {
                                abort();
                            }
                            // Reset the parser state.
                            Index = Source = null;
                            return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
                        };
                    }
                }

                exports["runInContext"] = runInContext;
                return exports;
            }

            if (freeExports && !isLoader) {
                // Export for CommonJS environments.
                runInContext(root, freeExports);
            } else {
                // Export for web browsers and JavaScript engines.
                var nativeJSON = root.JSON,
                    previousJSON = root["JSON3"],
                    isRestored = false;

                var JSON3 = runInContext(root, (root["JSON3"] = {
                    // Public: Restores the original value of the global `JSON`
					// object and
                    // returns a reference to the `JSON3` object.
                    "noConflict": function () {
                        if (!isRestored) {
                            isRestored = true;
                            root.JSON = nativeJSON;
                            root["JSON3"] = previousJSON;
                            nativeJSON = previousJSON = null;
                        }
                        return JSON3;
                    }
                }));

                root.JSON = {
                    "parse": JSON3.parse,
                    "stringify": JSON3.stringify
                };
            }

            // Export for asynchronous module loaders.
            if (isLoader) {
                define(function () {
                    return JSON3;
                });
            }
        }).call(this);

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],36:[function(_dereq_,module,exports){
    /**
	 * Helpers.
	 */

    var s = 1000;
    var m = s * 60;
    var h = m * 60;
    var d = h * 24;
    var y = d * 365.25;

    /**
	 * Parse or format the given `val`.
	 * 
	 * Options: - `long` verbose formatting [false]
	 * 
	 * @param {String|Number}
	 *            val
	 * @param {Object}
	 *            options
	 * @return {String|Number}
	 * @api public
	 */

    module.exports = function(val, options){
        options = options || {};
        if ('string' == typeof val) return parse(val);
        return options.long
            ? long(val)
            : short(val);
    };

    /**
	 * Parse the given `str` and return milliseconds.
	 * 
	 * @param {String}
	 *            str
	 * @return {Number}
	 * @api private
	 */

    function parse(str) {
        str = '' + str;
        if (str.length > 10000) return;
        var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str);
        if (!match) return;
        var n = parseFloat(match[1]);
        var type = (match[2] || 'ms').toLowerCase();
        switch (type) {
            case 'years':
            case 'year':
            case 'yrs':
            case 'yr':
            case 'y':
                return n * y;
            case 'days':
            case 'day':
            case 'd':
                return n * d;
            case 'hours':
            case 'hour':
            case 'hrs':
            case 'hr':
            case 'h':
                return n * h;
            case 'minutes':
            case 'minute':
            case 'mins':
            case 'min':
            case 'm':
                return n * m;
            case 'seconds':
            case 'second':
            case 'secs':
            case 'sec':
            case 's':
                return n * s;
            case 'milliseconds':
            case 'millisecond':
            case 'msecs':
            case 'msec':
            case 'ms':
                return n;
        }
    }

    /**
	 * Short format for `ms`.
	 * 
	 * @param {Number}
	 *            ms
	 * @return {String}
	 * @api private
	 */

    function short(ms) {
        if (ms >= d) return Math.round(ms / d) + 'd';
        if (ms >= h) return Math.round(ms / h) + 'h';
        if (ms >= m) return Math.round(ms / m) + 'm';
        if (ms >= s) return Math.round(ms / s) + 's';
        return ms + 'ms';
    }

    /**
	 * Long format for `ms`.
	 * 
	 * @param {Number}
	 *            ms
	 * @return {String}
	 * @api private
	 */

    function long(ms) {
        return plural(ms, d, 'day')
            || plural(ms, h, 'hour')
            || plural(ms, m, 'minute')
            || plural(ms, s, 'second')
            || ms + ' ms';
    }

    /**
	 * Pluralization helper.
	 */

    function plural(ms, n, name) {
        if (ms < n) return;
        if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
        return Math.ceil(ms / n) + ' ' + name + 's';
    }

},{}],37:[function(_dereq_,module,exports){
    (function (global){
        /**
		 * JSON parse.
		 * 
		 * @see Based on jQuery#parseJSON (MIT) and JSON2
		 * @api private
		 */

        var rvalidchars = /^[\],:{}\s]*$/;
        var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
        var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
        var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
        var rtrimLeft = /^\s+/;
        var rtrimRight = /\s+$/;

        module.exports = function parsejson(data) {
            if ('string' != typeof data || !data) {
                return null;
            }

            data = data.replace(rtrimLeft, '').replace(rtrimRight, '');

            // Attempt to parse using the native JSON parser first
            if (global.JSON && JSON.parse) {
                return JSON.parse(data);
            }

            if (rvalidchars.test(data.replace(rvalidescape, '@')
                    .replace(rvalidtokens, ']')
                    .replace(rvalidbraces, ''))) {
                return (new Function('return ' + data))();
            }
        };
    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],38:[function(_dereq_,module,exports){
    /**
	 * Compiles a querystring Returns string representation of the object
	 * 
	 * @param {Object}
	 * @api private
	 */

    exports.encode = function (obj) {
        var str = '';

        for (var i in obj) {
            if (obj.hasOwnProperty(i)) {
                if (str.length) str += '&';
                str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
            }
        }

        return str;
    };

    /**
	 * Parses a simple querystring into an object
	 * 
	 * @param {String}
	 *            qs
	 * @api private
	 */

    exports.decode = function(qs){
        var qry = {};
        var pairs = qs.split('&');
        for (var i = 0, l = pairs.length; i < l; i++) {
            var pair = pairs[i].split('=');
            qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
        }
        return qry;
    };

},{}],39:[function(_dereq_,module,exports){
    /**
	 * Parses an URI
	 * 
	 * @author Steven Levithan <stevenlevithan.com> (MIT license)
	 * @api private
	 */

    var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;

    var parts = [
        'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
    ];

    module.exports = function parseuri(str) {
        var src = str,
            b = str.indexOf('['),
            e = str.indexOf(']');

        if (b != -1 && e != -1) {
            str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
        }

        var m = re.exec(str || ''),
            uri = {},
            i = 14;

        while (i--) {
            uri[parts[i]] = m[i] || '';
        }

        if (b != -1 && e != -1) {
            uri.source = src;
            uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
            uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
            uri.ipv6uri = true;
        }

        return uri;
    };

},{}],40:[function(_dereq_,module,exports){
    (function (global){
        /* global Blob,File */

        /**
		 * Module requirements
		 */

        var isArray = _dereq_('isarray');
        var isBuf = _dereq_('./is-buffer');

        /**
		 * Replaces every Buffer | ArrayBuffer in packet with a numbered
		 * placeholder. Anything with blobs or files should be fed through
		 * removeBlobs before coming here.
		 * 
		 * @param {Object}
		 *            packet - socket.io event packet
		 * @return {Object} with deconstructed packet and list of buffers
		 * @api public
		 */

        exports.deconstructPacket = function(packet){
            var buffers = [];
            var packetData = packet.data;

            function _deconstructPacket(data) {
                if (!data) return data;

                if (isBuf(data)) {
                    var placeholder = { _placeholder: true, num: buffers.length };
                    buffers.push(data);
                    return placeholder;
                } else if (isArray(data)) {
                    var newData = new Array(data.length);
                    for (var i = 0; i < data.length; i++) {
                        newData[i] = _deconstructPacket(data[i]);
                    }
                    return newData;
                } else if ('object' == typeof data && !(data instanceof Date)) {
                    var newData = {};
                    for (var key in data) {
                        newData[key] = _deconstructPacket(data[key]);
                    }
                    return newData;
                }
                return data;
            }

            var pack = packet;
            pack.data = _deconstructPacket(packetData);
            pack.attachments = buffers.length; // number of binary
												// 'attachments'
            return {packet: pack, buffers: buffers};
        };

        /**
		 * Reconstructs a binary packet from its placeholder packet and buffers
		 * 
		 * @param {Object}
		 *            packet - event packet with placeholders
		 * @param {Array}
		 *            buffers - binary buffers to put in placeholder positions
		 * @return {Object} reconstructed packet
		 * @api public
		 */

        exports.reconstructPacket = function(packet, buffers) {
            var curPlaceHolder = 0;

            function _reconstructPacket(data) {
                if (data && data._placeholder) {
                    var buf = buffers[data.num]; // appropriate buffer
													// (should be natural order
													// anyway)
                    return buf;
                } else if (isArray(data)) {
                    for (var i = 0; i < data.length; i++) {
                        data[i] = _reconstructPacket(data[i]);
                    }
                    return data;
                } else if (data && 'object' == typeof data) {
                    for (var key in data) {
                        data[key] = _reconstructPacket(data[key]);
                    }
                    return data;
                }
                return data;
            }

            packet.data = _reconstructPacket(packet.data);
            packet.attachments = undefined; // no longer useful
            return packet;
        };

        /**
		 * Asynchronously removes Blobs or Files from data via FileReader's
		 * readAsArrayBuffer method. Used before encoding data as msgpack. Calls
		 * callback with the blobless data.
		 * 
		 * @param {Object}
		 *            data
		 * @param {Function}
		 *            callback
		 * @api private
		 */

        exports.removeBlobs = function(data, callback) {
            function _removeBlobs(obj, curKey, containingObject) {
                if (!obj) return obj;

                // convert any blob
                if ((global.Blob && obj instanceof Blob) ||
                    (global.File && obj instanceof File)) {
                    pendingBlobs++;

                    // async filereader
                    var fileReader = new FileReader();
                    fileReader.onload = function() { // this.result ==
														// arraybuffer
                        if (containingObject) {
                            containingObject[curKey] = this.result;
                        }
                        else {
                            bloblessData = this.result;
                        }

                        // if nothing pending its callback time
                        if(! --pendingBlobs) {
                            callback(bloblessData);
                        }
                    };

                    fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer
                } else if (isArray(obj)) { // handle array
                    for (var i = 0; i < obj.length; i++) {
                        _removeBlobs(obj[i], i, obj);
                    }
                } else if (obj && 'object' == typeof obj && !isBuf(obj)) { // and
																			// object
                    for (var key in obj) {
                        _removeBlobs(obj[key], key, obj);
                    }
                }
            }

            var pendingBlobs = 0;
            var bloblessData = data;
            _removeBlobs(bloblessData);
            if (!pendingBlobs) {
                callback(bloblessData);
            }
        };

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./is-buffer":42,"isarray":34}],41:[function(_dereq_,module,exports){

    /**
	 * Module dependencies.
	 */

    var debug = _dereq_('debug')('socket.io-parser');
    var json = _dereq_('json3');
    var isArray = _dereq_('isarray');
    var Emitter = _dereq_('component-emitter');
    var binary = _dereq_('./binary');
    var isBuf = _dereq_('./is-buffer');

    /**
	 * Protocol version.
	 * 
	 * @api public
	 */

    exports.protocol = 4;

    /**
	 * Packet types.
	 * 
	 * @api public
	 */

    exports.types = [
        'CONNECT',
        'DISCONNECT',
        'EVENT',
        'BINARY_EVENT',
        'ACK',
        'BINARY_ACK',
        'ERROR'
    ];

    /**
	 * Packet type `connect`.
	 * 
	 * @api public
	 */

    exports.CONNECT = 0;

    /**
	 * Packet type `disconnect`.
	 * 
	 * @api public
	 */

    exports.DISCONNECT = 1;

    /**
	 * Packet type `event`.
	 * 
	 * @api public
	 */

    exports.EVENT = 2;

    /**
	 * Packet type `ack`.
	 * 
	 * @api public
	 */

    exports.ACK = 3;

    /**
	 * Packet type `error`.
	 * 
	 * @api public
	 */

    exports.ERROR = 4;

    /**
	 * Packet type 'binary event'
	 * 
	 * @api public
	 */

    exports.BINARY_EVENT = 5;

    /**
	 * Packet type `binary ack`. For acks with binary arguments.
	 * 
	 * @api public
	 */

    exports.BINARY_ACK = 6;

    /**
	 * Encoder constructor.
	 * 
	 * @api public
	 */

    exports.Encoder = Encoder;

    /**
	 * Decoder constructor.
	 * 
	 * @api public
	 */

    exports.Decoder = Decoder;

    /**
	 * A socket.io Encoder instance
	 * 
	 * @api public
	 */

    function Encoder() {}

    /**
	 * Encode a packet as a single string if non-binary, or as a buffer
	 * sequence, depending on packet type.
	 * 
	 * @param {Object}
	 *            obj - packet object
	 * @param {Function}
	 *            callback - function to handle encodings (likely engine.write)
	 * @return Calls callback with Array of encodings
	 * @api public
	 */

    Encoder.prototype.encode = function(obj, callback){
        debug('encoding packet %j', obj);

        if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
            encodeAsBinary(obj, callback);
        }
        else {
            var encoding = encodeAsString(obj);
            callback([encoding]);
        }
    };

    /**
	 * Encode packet as string.
	 * 
	 * @param {Object}
	 *            packet
	 * @return {String} encoded
	 * @api private
	 */

    function encodeAsString(obj) {
        var str = '';
        var nsp = false;

        // first is type
        str += obj.type;

        // attachments if we have them
        if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
            str += obj.attachments;
            str += '-';
        }

        // if we have a namespace other than `/`
        // we append it followed by a comma `,`
        if (obj.nsp && '/' != obj.nsp) {
            nsp = true;
            str += obj.nsp;
        }

        // immediately followed by the id
        if (null != obj.id) {
            if (nsp) {
                str += ',';
                nsp = false;
            }
            str += obj.id;
        }

        // json data
        if (null != obj.data) {
            if (nsp) str += ',';
            str += json.stringify(obj.data);
        }

        debug('encoded %j as %s', obj, str);
        return str;
    }

    /**
	 * Encode packet as 'buffer sequence' by removing blobs, and deconstructing
	 * packet into object with placeholders and a list of buffers.
	 * 
	 * @param {Object}
	 *            packet
	 * @return {Buffer} encoded
	 * @api private
	 */

    function encodeAsBinary(obj, callback) {

        function writeEncoding(bloblessData) {
            var deconstruction = binary.deconstructPacket(bloblessData);
            var pack = encodeAsString(deconstruction.packet);
            var buffers = deconstruction.buffers;

            buffers.unshift(pack); // add packet info to beginning of data list
            callback(buffers); // write all the buffers
        }

        binary.removeBlobs(obj, writeEncoding);
    }

    /**
	 * A socket.io Decoder instance
	 * 
	 * @return {Object} decoder
	 * @api public
	 */

    function Decoder() {
        this.reconstructor = null;
    }

    /**
	 * Mix in `Emitter` with Decoder.
	 */

    Emitter(Decoder.prototype);

    /**
	 * Decodes an ecoded packet string into packet JSON.
	 * 
	 * @param {String}
	 *            obj - encoded packet
	 * @return {Object} packet
	 * @api public
	 */

    Decoder.prototype.add = function(obj) {
        var packet;
        if ('string' == typeof obj) {
            packet = decodeString(obj);
            if(!packet){
                return;
            }
            if (exports.BINARY_EVENT == packet.type || exports.BINARY_ACK == packet.type) { // binary
																							// packet's
																							// json
                this.reconstructor = new BinaryReconstructor(packet);

                // no attachments, labeled binary but no binary data to follow
                if (this.reconstructor.reconPack.attachments === 0) {
                    this.emit('decoded', packet);
                }
            } else { // non-binary full packet
                this.emit('decoded', packet);
            }
        }
        else if (isBuf(obj) || obj.base64) { // raw binary data
            if (!this.reconstructor) {
                throw new Error('got binary data when not reconstructing a packet');
            } else {
                packet = this.reconstructor.takeBinaryData(obj);
                if (packet) { // received final buffer
                    this.reconstructor = null;
                    this.emit('decoded', packet);
                }
            }
        }
        else {
            throw new Error('Unknown type: ' + obj);
        }
    };

    /**
	 * Decode a packet String (JSON data)
	 * 
	 * @param {String}
	 *            str
	 * @return {Object} packet
	 * @api private
	 */

    function decodeString(str) {
        var p = {};
        var i = 0;

        // look up type
        p.type = Number(str.charAt(0));
        if (null == exports.types[p.type]) return error();

        // look up attachments if type binary
        if (exports.BINARY_EVENT == p.type || exports.BINARY_ACK == p.type) {
            // �Զ����ѹ�� �ر��Դ�����ƹ���
            return;
            var buf = '';
            while (str.charAt(++i) != '-') {
                buf += str.charAt(i);
                if (i == str.length) break;
            }
            if (buf != Number(buf) || str.charAt(i) != '-') {
                throw new Error('Illegal attachments');
            }
            p.attachments = Number(buf);
        }

        // look up namespace (if any)
        if ('/' == str.charAt(i + 1)) {
            p.nsp = '';
            while (++i) {
                var c = str.charAt(i);
                if (',' == c) break;
                p.nsp += c;
                if (i == str.length) break;
            }
        } else {
            p.nsp = '/';
        }

        // look up id
        var next = str.charAt(i + 1);
        if ('' !== next && Number(next) == next) {
            p.id = '';
            while (++i) {
                var c = str.charAt(i);
                if (null == c || Number(c) != c) {
                    --i;
                    break;
                }
                p.id += str.charAt(i);
                if (i == str.length) break;
            }
            p.id = Number(p.id);
        }

        // look up json data
        if (str.charAt(++i)) {
            try {
                p.data = json.parse(str.substr(i));
            } catch(e){
                return error();
            }
        }

        debug('decoded %s as %j', str, p);
        return p;
    }

    /**
	 * Deallocates a parser's resources
	 * 
	 * @api public
	 */

    Decoder.prototype.destroy = function() {
        if (this.reconstructor) {
            this.reconstructor.finishedReconstruction();
        }
    };

    /**
	 * A manager of a binary event's 'buffer sequence'. Should be constructed
	 * whenever a packet of type BINARY_EVENT is decoded.
	 * 
	 * @param {Object}
	 *            packet
	 * @return {BinaryReconstructor} initialized reconstructor
	 * @api private
	 */

    function BinaryReconstructor(packet) {
        this.reconPack = packet;
        this.buffers = [];
    }

    /**
	 * Method to be called when binary data received from connection after a
	 * BINARY_EVENT packet.
	 * 
	 * @param {Buffer |
	 *            ArrayBuffer} binData - the raw binary data received
	 * @return {null | Object} returns null if more binary data is expected or a
	 *         reconstructed packet object if all buffers have been received.
	 * @api private
	 */

    BinaryReconstructor.prototype.takeBinaryData = function(binData) {
        this.buffers.push(binData);
        if (this.buffers.length == this.reconPack.attachments) { // done with
																	// buffer
																	// list
            var packet = binary.reconstructPacket(this.reconPack, this.buffers);
            this.finishedReconstruction();
            return packet;
        }
        return null;
    };

    /**
	 * Cleans up binary packet reconstruction variables.
	 * 
	 * @api private
	 */

    BinaryReconstructor.prototype.finishedReconstruction = function() {
        this.reconPack = null;
        this.buffers = [];
    };

    function error(data){
        return {
            type: exports.ERROR,
            data: 'parser error'
        };
    }

},{"./binary":40,"./is-buffer":42,"component-emitter":43,"debug":14,"isarray":34,"json3":35}],42:[function(_dereq_,module,exports){
    (function (global){

        module.exports = isBuf;

        /**
		 * Returns true if obj is a buffer or an arraybuffer.
		 * 
		 * @api private
		 */

        function isBuf(obj) {
            return (global.Buffer && global.Buffer.isBuffer(obj)) ||
                (global.ArrayBuffer && obj instanceof ArrayBuffer);
        }

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],43:[function(_dereq_,module,exports){
    module.exports=_dereq_(26)
},{}],44:[function(_dereq_,module,exports){
    module.exports = toArray

    function toArray(list, index) {
        var array = []

        index = index || 0

        for (var i = index || 0; i < list.length; i++) {
            array[i - index] = list[i]
        }

        return array
    }

},{}],45:[function(_dereq_,module,exports){
    (function (global){
        /* ! https://mths.be/utf8js v2.0.0 by @mathias */
        ;(function(root) {

            // Detect free variables `exports`
            var freeExports = typeof exports == 'object' && exports;

            // Detect free variable `module`
            var freeModule = typeof module == 'object' && module &&
                module.exports == freeExports && module;

            // Detect free variable `global`, from Node.js or Browserified code,
            // and use it as `root`
            var freeGlobal = typeof global == 'object' && global;
            if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
                root = freeGlobal;
            }

            /*--------------------------------------------------------------------------*/

            var stringFromCharCode = String.fromCharCode;

            // Taken from https://mths.be/punycode
            function ucs2decode(string) {
                var output = [];
                var counter = 0;
                var length = string.length;
                var value;
                var extra;
                while (counter < length) {
                    value = string.charCodeAt(counter++);
                    if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
                        // high surrogate, and there is a next character
                        extra = string.charCodeAt(counter++);
                        if ((extra & 0xFC00) == 0xDC00) { // low surrogate
                            output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
                        } else {
                            // unmatched surrogate; only append this code unit,
							// in case the next
                            // code unit is the high surrogate of a surrogate
							// pair
                            output.push(value);
                            counter--;
                        }
                    } else {
                        output.push(value);
                    }
                }
                return output;
            }

            // Taken from https://mths.be/punycode
            function ucs2encode(array) {
                var length = array.length;
                var index = -1;
                var value;
                var output = '';
                while (++index < length) {
                    value = array[index];
                    if (value > 0xFFFF) {
                        value -= 0x10000;
                        output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
                        value = 0xDC00 | value & 0x3FF;
                    }
                    output += stringFromCharCode(value);
                }
                return output;
            }

            function checkScalarValue(codePoint) {
                if (codePoint >= 0xD800 && codePoint <= 0xDFFF) {
                    throw Error(
                        'Lone surrogate U+' + codePoint.toString(16).toUpperCase() +
                        ' is not a scalar value'
                    );
                }
            }
            /*--------------------------------------------------------------------------*/

            function createByte(codePoint, shift) {
                return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
            }

            function encodeCodePoint(codePoint) {
                if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
                    return stringFromCharCode(codePoint);
                }
                var symbol = '';
                if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
                    symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
                }
                else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
                    checkScalarValue(codePoint);
                    symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
                    symbol += createByte(codePoint, 6);
                }
                else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
                    symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
                    symbol += createByte(codePoint, 12);
                    symbol += createByte(codePoint, 6);
                }
                symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
                return symbol;
            }

            function utf8encode(string) {
                var codePoints = ucs2decode(string);
                var length = codePoints.length;
                var index = -1;
                var codePoint;
                var byteString = '';
                while (++index < length) {
                    codePoint = codePoints[index];
                    byteString += encodeCodePoint(codePoint);
                }
                return byteString;
            }

            /*--------------------------------------------------------------------------*/

            function readContinuationByte() {
                if (byteIndex >= byteCount) {
                    throw Error('Invalid byte index');
                }

                var continuationByte = byteArray[byteIndex] & 0xFF;
                byteIndex++;

                if ((continuationByte & 0xC0) == 0x80) {
                    return continuationByte & 0x3F;
                }

                // If we end up here, it��s not a continuation byte
                throw Error('Invalid continuation byte');
            }

            function decodeSymbol() {
                var byte1;
                var byte2;
                var byte3;
                var byte4;
                var codePoint;

                if (byteIndex > byteCount) {
                    throw Error('Invalid byte index');
                }

                if (byteIndex == byteCount) {
                    return false;
                }

                // Read first byte
                byte1 = byteArray[byteIndex] & 0xFF;
                byteIndex++;

                // 1-byte sequence (no continuation bytes)
                if ((byte1 & 0x80) == 0) {
                    return byte1;
                }

                // 2-byte sequence
                if ((byte1 & 0xE0) == 0xC0) {
                    var byte2 = readContinuationByte();
                    codePoint = ((byte1 & 0x1F) << 6) | byte2;
                    if (codePoint >= 0x80) {
                        return codePoint;
                    } else {
                        throw Error('Invalid continuation byte');
                    }
                }

                // 3-byte sequence (may include unpaired surrogates)
                if ((byte1 & 0xF0) == 0xE0) {
                    byte2 = readContinuationByte();
                    byte3 = readContinuationByte();
                    codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
                    if (codePoint >= 0x0800) {
                        checkScalarValue(codePoint);
                        return codePoint;
                    } else {
                        throw Error('Invalid continuation byte');
                    }
                }

                // 4-byte sequence
                if ((byte1 & 0xF8) == 0xF0) {
                    byte2 = readContinuationByte();
                    byte3 = readContinuationByte();
                    byte4 = readContinuationByte();
                    codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) |
                        (byte3 << 0x06) | byte4;
                    if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
                        return codePoint;
                    }
                }

                throw Error('Invalid UTF-8 detected');
            }

            var byteArray;
            var byteCount;
            var byteIndex;
            function utf8decode(byteString) {
                byteArray = ucs2decode(byteString);
                byteCount = byteArray.length;
                byteIndex = 0;
                var codePoints = [];
                var tmp;
                while ((tmp = decodeSymbol()) !== false) {
                    codePoints.push(tmp);
                }
                return ucs2encode(codePoints);
            }

            /*--------------------------------------------------------------------------*/

            var utf8 = {
                'version': '2.0.0',
                'encode': utf8encode,
                'decode': utf8decode
            };

            // Some AMD build optimizers, like r.js, check for specific
			// condition patterns
            // like the following:
            if (
                typeof define == 'function' &&
                typeof define.amd == 'object' &&
                define.amd
            ) {
                define(function() {
                    return utf8;
                });
            }	else if (freeExports && !freeExports.nodeType) {
                if (freeModule) { // in Node.js or RingoJS v0.8.0+
                    freeModule.exports = utf8;
                } else { // in Narwhal or RingoJS v0.7.0-
                    var object = {};
                    var hasOwnProperty = object.hasOwnProperty;
                    for (var key in utf8) {
                        hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);
                    }
                }
            } else { // in Rhino or a web browser
                root.utf8 = utf8;
            }

        }(this));

    }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],46:[function(_dereq_,module,exports){

    /**
	 * Module dependencies.
	 */

    var global = (function() { return this; })();

    /**
	 * WebSocket constructor.
	 */

    var WebSocket = global.WebSocket || global.MozWebSocket;

    /**
	 * Module exports.
	 */

    module.exports = WebSocket ? ws : null;

    /**
	 * WebSocket constructor.
	 * 
	 * The third `opts` options object gets ignored in web browsers, since it's
	 * non-standard, and throws a TypeError if passed to the constructor. See:
	 * https://github.com/einaros/ws/issues/227
	 * 
	 * @param {String}
	 *            uri
	 * @param {Array}
	 *            protocols (optional)
	 * @param {Object)
	 *            opts (optional)
	 * @api public
	 */

    function ws(uri, protocols, opts) {
        var instance;
        if (protocols) {
            instance = new WebSocket(uri, protocols);
        } else {
            instance = new WebSocket(uri);
        }
        return instance;
    }

    if (WebSocket) ws.prototype = WebSocket.prototype;

},{}],47:[function(_dereq_,module,exports){
    'use strict';

    var alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_'.split('')
        , length = 64
        , map = {}
        , seed = 0
        , i = 0
        , prev;

    /**
	 * Return a string representing the specified number.
	 * 
	 * @param {Number}
	 *            num The number to convert.
	 * @returns {String} The string representation of the number.
	 * @api public
	 */
    function encode(num) {
        var encoded = '';

        do {
            encoded = alphabet[num % length] + encoded;
            num = Math.floor(num / length);
        } while (num > 0);

        return encoded;
    }

    /**
	 * Return the integer value specified by the given string.
	 * 
	 * @param {String}
	 *            str The string to convert.
	 * @returns {Number} The integer value represented by the string.
	 * @api public
	 */
    function decode(str) {
        var decoded = 0;

        for (i = 0; i < str.length; i++) {
            decoded = decoded * length + map[str.charAt(i)];
        }

        return decoded;
    }

    /**
	 * Yeast: A tiny growing id generator.
	 * 
	 * @returns {String} A unique id.
	 * @api public
	 */
    function yeast() {
        var now = encode(+new Date());

        if (now !== prev) return seed = 0, prev = now;
        return now +'.'+ encode(seed++);
    }

//
// Map each character to its index.
//
    for (; i < length; i++) map[alphabet[i]] = i;

//
// Expose the `yeast`, `encode` and `decode` functions.
//
    yeast.encode = encode;
    yeast.decode = decode;
    module.exports = yeast;

},{}]},{},[1])
(1)
});
// end 1.4.0
/**
 * @license zlib.js 2012 - imaya [ https://github.com/imaya/zlib.js ] The MIT
 *          License
 */(function() {'use strict';var l=this;function p(b,e){var a=b.split("."),c=l;!(a[0]in c)&&c.execScript&&c.execScript("var "+a[0]);for(var d;a.length&&(d=a.shift());)!a.length&&void 0!==e?c[d]=e:c=c[d]?c[d]:c[d]={}};var q="undefined"!==typeof Uint8Array&&"undefined"!==typeof Uint16Array&&"undefined"!==typeof Uint32Array&&"undefined"!==typeof DataView;function t(b){var e=b.length,a=0,c=Number.POSITIVE_INFINITY,d,f,g,h,k,m,r,n,s,J;for(n=0;n<e;++n)b[n]>a&&(a=b[n]),b[n]<c&&(c=b[n]);d=1<<a;f=new (q?Uint32Array:Array)(d);g=1;h=0;for(k=2;g<=a;){for(n=0;n<e;++n)if(b[n]===g){m=0;r=h;for(s=0;s<g;++s)m=m<<1|r&1,r>>=1;J=g<<16|n;for(s=m;s<d;s+=k)f[s]=J;++h}++g;h<<=1;k<<=1}return[f,a,c]};function u(b,e){this.g=[];this.h=32768;this.c=this.f=this.d=this.k=0;this.input=q?new Uint8Array(b):b;this.l=!1;this.i=v;this.q=!1;if(e||!(e={}))e.index&&(this.d=e.index),e.bufferSize&&(this.h=e.bufferSize),e.bufferType&&(this.i=e.bufferType),e.resize&&(this.q=e.resize);switch(this.i){case w:this.a=32768;this.b=new (q?Uint8Array:Array)(32768+this.h+258);break;case v:this.a=0;this.b=new (q?Uint8Array:Array)(this.h);this.e=this.v;this.m=this.s;this.j=this.t;break;default:throw Error("invalid inflate mode");
}}var w=0,v=1;
    u.prototype.u=function(){for(;!this.l;){var b=x(this,3);b&1&&(this.l=!0);b>>>=1;switch(b){case 0:var e=this.input,a=this.d,c=this.b,d=this.a,f=e.length,g=void 0,h=void 0,k=c.length,m=void 0;this.c=this.f=0;if(a+1>=f)throw Error("invalid uncompressed block header: LEN");g=e[a++]|e[a++]<<8;if(a+1>=f)throw Error("invalid uncompressed block header: NLEN");h=e[a++]|e[a++]<<8;if(g===~h)throw Error("invalid uncompressed block header: length verify");if(a+g>e.length)throw Error("input buffer is broken");switch(this.i){case w:for(;d+
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    g>c.length;){m=k-d;g-=m;if(q)c.set(e.subarray(a,a+m),d),d+=m,a+=m;else for(;m--;)c[d++]=e[a++];this.a=d;c=this.e();d=this.a}break;case v:for(;d+g>c.length;)c=this.e({o:2});break;default:throw Error("invalid inflate mode");}if(q)c.set(e.subarray(a,a+g),d),d+=g,a+=g;else for(;g--;)c[d++]=e[a++];this.d=a;this.a=d;this.b=c;break;case 1:this.j(y,z);break;case 2:A(this);break;default:throw Error("unknown BTYPE: "+b);}}return this.m()};
    var B=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],C=q?new Uint16Array(B):B,D=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,258,258],E=q?new Uint16Array(D):D,F=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0],G=q?new Uint8Array(F):F,H=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577],I=q?new Uint16Array(H):H,K=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,
        13],L=q?new Uint8Array(K):K,M=new (q?Uint8Array:Array)(288),N,O;N=0;for(O=M.length;N<O;++N)M[N]=143>=N?8:255>=N?9:279>=N?7:8;var y=t(M),P=new (q?Uint8Array:Array)(30),Q,R;Q=0;for(R=P.length;Q<R;++Q)P[Q]=5;var z=t(P);function x(b,e){for(var a=b.f,c=b.c,d=b.input,f=b.d,g=d.length,h;c<e;){if(f>=g)throw Error("input buffer is broken");a|=d[f++]<<c;c+=8}h=a&(1<<e)-1;b.f=a>>>e;b.c=c-e;b.d=f;return h}
    function S(b,e){for(var a=b.f,c=b.c,d=b.input,f=b.d,g=d.length,h=e[0],k=e[1],m,r;c<k&&!(f>=g);)a|=d[f++]<<c,c+=8;m=h[a&(1<<k)-1];r=m>>>16;b.f=a>>r;b.c=c-r;b.d=f;return m&65535}
    function A(b){function e(a,b,c){var e,d=this.p,f,g;for(g=0;g<a;)switch(e=S(this,b),e){case 16:for(f=3+x(this,2);f--;)c[g++]=d;break;case 17:for(f=3+x(this,3);f--;)c[g++]=0;d=0;break;case 18:for(f=11+x(this,7);f--;)c[g++]=0;d=0;break;default:d=c[g++]=e}this.p=d;return c}var a=x(b,5)+257,c=x(b,5)+1,d=x(b,4)+4,f=new (q?Uint8Array:Array)(C.length),g,h,k,m;for(m=0;m<d;++m)f[C[m]]=x(b,3);if(!q){m=d;for(d=f.length;m<d;++m)f[C[m]]=0}g=t(f);h=new (q?Uint8Array:Array)(a);k=new (q?Uint8Array:Array)(c);b.p=0;
        b.j(t(e.call(b,a,g,h)),t(e.call(b,c,g,k)))}u.prototype.j=function(b,e){var a=this.b,c=this.a;this.n=b;for(var d=a.length-258,f,g,h,k;256!==(f=S(this,b));)if(256>f)c>=d&&(this.a=c,a=this.e(),c=this.a),a[c++]=f;else{g=f-257;k=E[g];0<G[g]&&(k+=x(this,G[g]));f=S(this,e);h=I[f];0<L[f]&&(h+=x(this,L[f]));c>=d&&(this.a=c,a=this.e(),c=this.a);for(;k--;)a[c]=a[c++-h]}for(;8<=this.c;)this.c-=8,this.d--;this.a=c};
    u.prototype.t=function(b,e){var a=this.b,c=this.a;this.n=b;for(var d=a.length,f,g,h,k;256!==(f=S(this,b));)if(256>f)c>=d&&(a=this.e(),d=a.length),a[c++]=f;else{g=f-257;k=E[g];0<G[g]&&(k+=x(this,G[g]));f=S(this,e);h=I[f];0<L[f]&&(h+=x(this,L[f]));c+k>d&&(a=this.e(),d=a.length);for(;k--;)a[c]=a[c++-h]}for(;8<=this.c;)this.c-=8,this.d--;this.a=c};
    u.prototype.e=function(){var b=new (q?Uint8Array:Array)(this.a-32768),e=this.a-32768,a,c,d=this.b;if(q)b.set(d.subarray(32768,b.length));else{a=0;for(c=b.length;a<c;++a)b[a]=d[a+32768]}this.g.push(b);this.k+=b.length;if(q)d.set(d.subarray(e,e+32768));else for(a=0;32768>a;++a)d[a]=d[e+a];this.a=32768;return d};
    u.prototype.v=function(b){var e,a=this.input.length/this.d+1|0,c,d,f,g=this.input,h=this.b;b&&("number"===typeof b.o&&(a=b.o),"number"===typeof b.r&&(a+=b.r));2>a?(c=(g.length-this.d)/this.n[2],f=258*(c/2)|0,d=f<h.length?h.length+f:h.length<<1):d=h.length*a;q?(e=new Uint8Array(d),e.set(h)):e=h;return this.b=e};
    u.prototype.m=function(){var b=0,e=this.b,a=this.g,c,d=new (q?Uint8Array:Array)(this.k+(this.a-32768)),f,g,h,k;if(0===a.length)return q?this.b.subarray(32768,this.a):this.b.slice(32768,this.a);f=0;for(g=a.length;f<g;++f){c=a[f];h=0;for(k=c.length;h<k;++h)d[b++]=c[h]}f=32768;for(g=this.a;f<g;++f)d[b++]=e[f];this.g=[];return this.buffer=d};
    u.prototype.s=function(){var b,e=this.a;q?this.q?(b=new Uint8Array(e),b.set(this.b.subarray(0,e))):b=this.b.subarray(0,e):(this.b.length>e&&(this.b.length=e),b=this.b);return this.buffer=b};p("Zlib.RawInflate",u);p("Zlib.RawInflate.prototype.decompress",u.prototype.u);var T={ADAPTIVE:v,BLOCK:w},U,V,W,X;if(Object.keys)U=Object.keys(T);else for(V in U=[],W=0,T)U[W++]=V;W=0;for(X=U.length;W<X;++W)V=U[W],p("Zlib.RawInflate.BufferType."+V,T[V]);}).call(this);

/**
 * socketUtil
 */
 function socketUtil() {
	    this.url_cn =  "https://real.okcoin.cn:10442";
// this.url_cn = "http://tblock.okcoin.cn:10442";
	    this.socket;
	    this.isBinary = false;// �Ƿ�ѹ��
	    var isConnection=false;// �����Ƿ����ӳɹ���
	    var isErrorCallBack=false;// errorCallֻ����һ��
	    var callBacks = new Array();
	    var erroCallBackFun;
	    var conectionCallBackFun;
	    var klineCallBack;
	    if (typeof this.connection != 'function') {
	        this.connection = function () {
	            if(!window.WebSocket){// ��֧��websocket ������ѵ
	                this.errorCallBackData();
	                return this;
	            }
	            var url=this.url_cn;
	            this.socket = io.connect(url, {
	                transports: ['websocket'],
	                reconnectionDelay: 1e3,
	                reconnectionDelayMax: 3e3,
	                timeout: 5e3
	            });
	            if (!!io.isBinary) {
	                this.isBinary = io.isBinary;
	            }
	            this.socket.on("m",this.callBackData);
	            this.socket.on('disconnect',this.errorCallBackData);
	            this.socket.on('reconnect_error',this.errorCallBackData);
	            this.socket.on('error',this.errorCallBackData);
	            this.socket.on('connect',this.onConnection);
	        	isConnection = true;
	            return this;
	        }
	        this.onConnection=function(){
	           console.info("onconnect");
	        }
	       
	        this.callBackData = function (data) {
	        	var h = eval("(" + data + ")");
	            for(var i = 0;i < h.length;i++)
	            {
	            	var symbol = h[i].type.indexOf('ok_btc_') >=0 ? "btc" : "ltc";
	        		if(h[i].type == "ok_btc_tx_data" || h[i].type == 'ok_ltc_tx_data') {
	        			var datas = h[i].data;
	        			for(var j = 0;j < datas.length;j++) {
	        				var tx = datas[j];
	        				if($("[href$='/" + symbol + "/tx/" + tx.txid + "']").length>0){
	        					return;
	        				}
	        				var recTime = tx.received_time + 8*3600*1000;
	        				var showStr = styleChange(recTime);
	        				//console.log("rec:" + tx.received_time + ", " + recTime + ", showStr:" + showStr)
	        				var txidStr = tx.txid.substring(0, 45) + '...';
	        				var trStr = '<tr><td><div><a href="#root##symbol#/tx/#txid#">#txidStr#</a></div></td><td data-time="#recTime#">'
	        					+ '<div>#showStr#</div></td><td><div><button class="btn btn-success cb">#out#</button></div></td></tr>';
	        				trStr = trStr.replace(/#root#/, root).replace(/#symbol#/, symbol).replace(/#txid#/, tx.txid).replace(/#txidStr#/, txidStr);
	        				trStr = trStr.replace(/#recTime#/, recTime).replace(/#showStr#/, showStr).replace(/#out#/, formatMoney(tx.out, true));
	        				
	        				//console.log("tx trStr:" + trStr);
	        				var firstTr = $("#txs tr:first");
	        				if(firstTr.size() == 0){
	        					$("#txs").html(trStr);
	        				}else{
	        					$(trStr).insertBefore(firstTr).find("div").hide().slideDown("slow");
	        				}
	        				
	        				if($("#txs tr").size() > 10){
	        					$("#txs tr:last-child").remove();
	        				}
	        				setupSymbolToggle();
	        			}
	        		} else if(h[i].type == "ok_btc_block_data" || h[i].type == "ok_ltc_block_data") {
	        			var datas = h[i].data;
	        			for(var q = 0;q < datas.length;q++) {
	        				var block = datas[q];
	        				if ($("tr[id='bi:" + block.height+"']").length > 0) {
	        					return;
	        				}
	        				if (block.relayed_by == null) {
	        					block.relayed_by = "Unknown";
	        				}
	        				var showStr = styleChange(block.time);
	        				var outStr = formatMoney(block.totalOut, true);
	        				//console.log("block time:" + block.time + ", showStr:" + showStr)
	        				var trStr = '<tr id="bi:#height#"><td><a href="#root##symbol#/block/#hash#">#height#</a></td>' 
	        					+ '<td data-time="#time#">#showStr#</td><td>#txcount#</td><td><span data-c="#out#">#outStr#</span>'
	        					+ '</td><td><a href="/#symbol#/blocks/#relay#/">#relay#</a></td><td>#size#</div></td></tr>';
	        				trStr = trStr.replace(/#height#/g, block.height).replace(/#root#/, root).replace(/#symbol#/g, symbol);
	        				trStr = trStr.replace(/#hash#/, block.hash).replace(/#time#/, block.time).replace(/#showStr#/, showStr);
	        				trStr = trStr.replace(/#txcount#/, block.txcount).replace(/#out#/, block.totalOut).replace(/#outStr#/, outStr);
	        				trStr = trStr.replace(/#relay#/g, block.relayed_by).replace(/#size#/, (block.size / 1024).toFixed(2));
	        				//console.log("block trStr:" + trStr);
	        				//插入标题行下面
	        				$(trStr).insertAfter($("#blocks tr:first")).find("div").hide().slideDown("slow");

	        				//一行标题，六行数据
	        				if($("#blocks tr").size() > 7){
	        					$("#blocks tr:last-child").remove();   
	        				}
	        				setupSymbolToggle();
	        			}
	        		}
	            }
	        }
			// ***************************************************
			this.send = function (obj) {
	          if(obj == 0)
	          {
	        	  this.socket.emit('addPushType', "{millInterval : 300,type : 'ok_btc_block_data',binary:false}");
				  this.socket.emit('addPushType', "{millInterval : 300,type : 'ok_btc_tx_data',binary:false}");	  
	         }
	          else if(obj == 1)
	          {
	        	  this.socket.emit('addPushType', "{millInterval : 300,type : 'ok_ltc_block_data',binary:false}");
				  this.socket.emit('addPushType', "{millInterval : 300,type : 'ok_ltc_tx_data',binary:false}");
	          }
	        }
			
			this.isConnect = function(){
				return isConnection;
			};
			
			// ***************************************************
	        this.errorCallBackData=function (){
	        	isConnection = false;
	        	console.info("disconnect")
	        }
	        this.addCallBack = function (type, callBack) {
	          
	        }
	        this.removeCallBack=function(type){
	           
	        }
	        this.addErrCallBackFun=function(callBack){
	           
	        }
	        this.addSuccCallBackFun=function(callBack){
	            
	        }
	        this.addKlineCallBack=function(callBack){
	           
	        }
    }
};

/**
 * 根据时间计算块龄显示值
 * @param obj
 * @returns
 */
function styleChange(obj, id) {
	var serverTime = parseInt($("#serverTime").data("time"));
	var time = parseInt(obj);
	if (time == 0) {
		return "";
	}
	var showStr;
	var age = (serverTime - time) / 1000;
	if (age < 60) {
		showStr = "< 1 " + getDataStrByLan("minute");
	} else if (age < 3600) {
		showStr = parseInt(age / 60) + " " + getDataStrByLan("minutes");
	} else if (age < 3600 * 24) {
		showStr = parseInt(age / 3600) + " " + getDataStrByLan("hour");
		//大于一分钟时显示分钟信息
		if((age % 3600) >= 60){
			showStr += " " + parseInt((age % 3600) / 60) + " " + getDataStrByLan("minutes");
		}
	} else {
		showStr = "> 1 " + getDataStrByLan("day");
	}
	//console.log(serverTime + ", " + time + ", " + showStr + ", " + id);
	return showStr;
}

/**
 * 更新块龄显示值
 */
function updateTimes() {
	//console.log("updateTimes");
	$("td[data-time]").each(function(b) {
		var id = $(this).parent().attr("id");
		var age = styleChange($(this).data("time"), id);
		$(this).text(age);
	});
}

//客户端初始时间
var startTime = new Date().getTime();
//计数器
var count = 0;

/**
 * 更新页面缓存的服务器时间
 */
function fixedServerTime(){
	count++;
	var delay = 2000; //时间更新间隔
	var time = parseInt($("#serverTime").data("time"));
	time += delay; //与线程更新间隔保持一致
	$("#serverTime").data("time", time);
	//$("#serverTime").html(time);

	var offset = new Date().getTime() - (startTime + count * delay);
	//每次修正线程下次启动的时间，避免误差积累
	var nextTime = delay - offset;
	if(nextTime < 0){
		nextTime = 0;
	}
	//console.log(startTime + "-" + count + "-" + new Date().getTime());
	setTimeout(fixedServerTime, nextTime);
}